Home / 5,690.11-8,531.12-2,177.16

Finding the Fourth Proportional to 5,690.11, 8,531.12 and 2,177.16

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Solution

The fourth proportional to 5,690.11, 8,531.12 and 2,177.16 is: 3,264.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,690.11 : 8,531.12 = 2,177.16 : x
  2. Step 2: Convert to fraction form
    5,690.11/8,531.12 = 2,177.16/x
  3. Step 3: Cross multiply
    5,690.11x = 8,531.12 × 2,177.16
  4. Step 4: Simplify right side
    5,690.11x = 18,573,613.22
  5. Step 5: Solve for x
    x = 18,573,613.22/5,690.11
  6. Step 6: Final answer
    x = 3,264.19

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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.