Home / 9,625.90-14,439.76-3,781.15

Finding the Fourth Proportional to 9,625.90, 14,439.76 and 3,781.15

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Solution

The fourth proportional to 9,625.90, 14,439.76 and 3,781.15 is: 5,672.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,625.90 : 14,439.76 = 3,781.15 : x
  2. Step 2: Convert to fraction form
    9,625.90/14,439.76 = 3,781.15/x
  3. Step 3: Cross multiply
    9,625.90x = 14,439.76 × 3,781.15
  4. Step 4: Simplify right side
    9,625.90x = 54,598,898.52
  5. Step 5: Solve for x
    x = 54,598,898.52/9,625.90
  6. Step 6: Final answer
    x = 5,672.08

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1.5x scale

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.