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Finding the Fourth Proportional to 5,581.88, 8,374.36 and 4,539.30

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Solution

The fourth proportional to 5,581.88, 8,374.36 and 4,539.30 is: 6,810.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,581.88 : 8,374.36 = 4,539.30 : x
  2. Step 2: Convert to fraction form
    5,581.88/8,374.36 = 4,539.30/x
  3. Step 3: Cross multiply
    5,581.88x = 8,374.36 × 4,539.30
  4. Step 4: Simplify right side
    5,581.88x = 38,013,732.35
  5. Step 5: Solve for x
    x = 38,013,732.35/5,581.88
  6. Step 6: Final answer
    x = 6,810.20

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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.