Home / 8,637.38-11,919.15-5,099.91

Finding the Fourth Proportional to 8,637.38, 11,919.15 and 5,099.91

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Solution

The fourth proportional to 8,637.38, 11,919.15 and 5,099.91 is: 7,037.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,637.38 : 11,919.15 = 5,099.91 : x
  2. Step 2: Convert to fraction form
    8,637.38/11,919.15 = 5,099.91/x
  3. Step 3: Cross multiply
    8,637.38x = 11,919.15 × 5,099.91
  4. Step 4: Simplify right side
    8,637.38x = 60,786,592.28
  5. Step 5: Solve for x
    x = 60,786,592.28/8,637.38
  6. Step 6: Final answer
    x = 7,037.62

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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.