Home / 7,317.38-10,099.76-4,486.70

Finding the Fourth Proportional to 7,317.38, 10,099.76 and 4,486.70

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Solution

The fourth proportional to 7,317.38, 10,099.76 and 4,486.70 is: 6,192.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,317.38 : 10,099.76 = 4,486.70 : x
  2. Step 2: Convert to fraction form
    7,317.38/10,099.76 = 4,486.70/x
  3. Step 3: Cross multiply
    7,317.38x = 10,099.76 × 4,486.70
  4. Step 4: Simplify right side
    7,317.38x = 45,314,596.01
  5. Step 5: Solve for x
    x = 45,314,596.01/7,317.38
  6. Step 6: Final answer
    x = 6,192.73

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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.