Home / 5,354.52-8,031.12-1,459.32

Finding the Fourth Proportional to 5,354.52, 8,031.12 and 1,459.32

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Solution

The fourth proportional to 5,354.52, 8,031.12 and 1,459.32 is: 2,188.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,354.52 : 8,031.12 = 1,459.32 : x
  2. Step 2: Convert to fraction form
    5,354.52/8,031.12 = 1,459.32/x
  3. Step 3: Cross multiply
    5,354.52x = 8,031.12 × 1,459.32
  4. Step 4: Simplify right side
    5,354.52x = 11,719,974.04
  5. Step 5: Solve for x
    x = 11,719,974.04/5,354.52
  6. Step 6: Final answer
    x = 2,188.80

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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.