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Finding the Fourth Proportional to 5,815.85, 8,727.42 and 3,044.74

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Solution

The fourth proportional to 5,815.85, 8,727.42 and 3,044.74 is: 4,569.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.85 : 8,727.42 = 3,044.74 : x
  2. Step 2: Convert to fraction form
    5,815.85/8,727.42 = 3,044.74/x
  3. Step 3: Cross multiply
    5,815.85x = 8,727.42 × 3,044.74
  4. Step 4: Simplify right side
    5,815.85x = 26,572,695.34
  5. Step 5: Solve for x
    x = 26,572,695.34/5,815.85
  6. Step 6: Final answer
    x = 4,569.02

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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.