Home / 4,687.59-7,031.40-1,766.13

Finding the Fourth Proportional to 4,687.59, 7,031.40 and 1,766.13

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Solution

The fourth proportional to 4,687.59, 7,031.40 and 1,766.13 is: 2,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.59 : 7,031.40 = 1,766.13 : x
  2. Step 2: Convert to fraction form
    4,687.59/7,031.40 = 1,766.13/x
  3. Step 3: Cross multiply
    4,687.59x = 7,031.40 × 1,766.13
  4. Step 4: Simplify right side
    4,687.59x = 12,418,366.48
  5. Step 5: Solve for x
    x = 12,418,366.48/4,687.59
  6. Step 6: Final answer
    x = 2,649.20

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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.