Home / 4,461.24-6,691.05-1,687.80

Finding the Fourth Proportional to 4,461.24, 6,691.05 and 1,687.80

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Solution

The fourth proportional to 4,461.24, 6,691.05 and 1,687.80 is: 2,531.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,461.24 : 6,691.05 = 1,687.80 : x
  2. Step 2: Convert to fraction form
    4,461.24/6,691.05 = 1,687.80/x
  3. Step 3: Cross multiply
    4,461.24x = 6,691.05 × 1,687.80
  4. Step 4: Simplify right side
    4,461.24x = 11,293,154.19
  5. Step 5: Solve for x
    x = 11,293,154.19/4,461.24
  6. Step 6: Final answer
    x = 2,531.39

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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.