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Finding the Fourth Proportional to 7,900.41, 10,903.47 and 4,543.38

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Solution

The fourth proportional to 7,900.41, 10,903.47 and 4,543.38 is: 6,270.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,900.41 : 10,903.47 = 4,543.38 : x
  2. Step 2: Convert to fraction form
    7,900.41/10,903.47 = 4,543.38/x
  3. Step 3: Cross multiply
    7,900.41x = 10,903.47 × 4,543.38
  4. Step 4: Simplify right side
    7,900.41x = 49,538,607.53
  5. Step 5: Solve for x
    x = 49,538,607.53/7,900.41
  6. Step 6: Final answer
    x = 6,270.38

Related Problems

Find fourth proportional to 3,950.21, 5,451.74 and 2,271.69
Half scale
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Double scale
Find fourth proportional to 7,901.41, 10,904.85 and 4,544.38
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.