Home / 5,691.08-8,537.89-1,742.89

Finding the Fourth Proportional to 5,691.08, 8,537.89 and 1,742.89

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Solution

The fourth proportional to 5,691.08, 8,537.89 and 1,742.89 is: 2,614.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,691.08 : 8,537.89 = 1,742.89 : x
  2. Step 2: Convert to fraction form
    5,691.08/8,537.89 = 1,742.89/x
  3. Step 3: Cross multiply
    5,691.08x = 8,537.89 × 1,742.89
  4. Step 4: Simplify right side
    5,691.08x = 14,880,577.40
  5. Step 5: Solve for x
    x = 14,880,577.40/5,691.08
  6. Step 6: Final answer
    x = 2,614.72

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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.