Home / 7,685.75-10,606.53-4,328.69

Finding the Fourth Proportional to 7,685.75, 10,606.53 and 4,328.69

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Solution

The fourth proportional to 7,685.75, 10,606.53 and 4,328.69 is: 5,973.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,685.75 : 10,606.53 = 4,328.69 : x
  2. Step 2: Convert to fraction form
    7,685.75/10,606.53 = 4,328.69/x
  3. Step 3: Cross multiply
    7,685.75x = 10,606.53 × 4,328.69
  4. Step 4: Simplify right side
    7,685.75x = 45,912,380.35
  5. Step 5: Solve for x
    x = 45,912,380.35/7,685.75
  6. Step 6: Final answer
    x = 5,973.70

Related Problems

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Half scale
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Double scale
Find fourth proportional to 7,686.75, 10,607.91 and 4,329.69
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.