Home / 9,151.08-13,727.78-2,487.71

Finding the Fourth Proportional to 9,151.08, 13,727.78 and 2,487.71

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Solution

The fourth proportional to 9,151.08, 13,727.78 and 2,487.71 is: 3,731.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,151.08 : 13,727.78 = 2,487.71 : x
  2. Step 2: Convert to fraction form
    9,151.08/13,727.78 = 2,487.71/x
  3. Step 3: Cross multiply
    9,151.08x = 13,727.78 × 2,487.71
  4. Step 4: Simplify right side
    9,151.08x = 34,150,766.79
  5. Step 5: Solve for x
    x = 34,150,766.79/9,151.08
  6. Step 6: Final answer
    x = 3,731.89

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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.