Home / 4,260.71-6,391.25-1,487.66

Finding the Fourth Proportional to 4,260.71, 6,391.25 and 1,487.66

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Solution

The fourth proportional to 4,260.71, 6,391.25 and 1,487.66 is: 2,231.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,260.71 : 6,391.25 = 1,487.66 : x
  2. Step 2: Convert to fraction form
    4,260.71/6,391.25 = 1,487.66/x
  3. Step 3: Cross multiply
    4,260.71x = 6,391.25 × 1,487.66
  4. Step 4: Simplify right side
    4,260.71x = 9,508,006.98
  5. Step 5: Solve for x
    x = 9,508,006.98/4,260.71
  6. Step 6: Final answer
    x = 2,231.55

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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.