Home / 5,099.91-7,649.85-1,402.16

Finding the Fourth Proportional to 5,099.91, 7,649.85 and 1,402.16

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Solution

The fourth proportional to 5,099.91, 7,649.85 and 1,402.16 is: 2,103.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,099.91 : 7,649.85 = 1,402.16 : x
  2. Step 2: Convert to fraction form
    5,099.91/7,649.85 = 1,402.16/x
  3. Step 3: Cross multiply
    5,099.91x = 7,649.85 × 1,402.16
  4. Step 4: Simplify right side
    5,099.91x = 10,726,275.43
  5. Step 5: Solve for x
    x = 10,726,275.43/5,099.91
  6. Step 6: Final answer
    x = 2,103.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.