Home / 5,691.29-8,537.40-1,742.45

Finding the Fourth Proportional to 5,691.29, 8,537.40 and 1,742.45

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Solution

The fourth proportional to 5,691.29, 8,537.40 and 1,742.45 is: 2,613.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,691.29 : 8,537.40 = 1,742.45 : x
  2. Step 2: Convert to fraction form
    5,691.29/8,537.40 = 1,742.45/x
  3. Step 3: Cross multiply
    5,691.29x = 8,537.40 × 1,742.45
  4. Step 4: Simplify right side
    5,691.29x = 14,875,949.94
  5. Step 5: Solve for x
    x = 14,875,949.94/5,691.29
  6. Step 6: Final answer
    x = 2,613.81

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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.