Home / 5,445.91-8,165.09-2,981.89

Finding the Fourth Proportional to 5,445.91, 8,165.09 and 2,981.89

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Solution

The fourth proportional to 5,445.91, 8,165.09 and 2,981.89 is: 4,470.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.91 : 8,165.09 = 2,981.89 : x
  2. Step 2: Convert to fraction form
    5,445.91/8,165.09 = 2,981.89/x
  3. Step 3: Cross multiply
    5,445.91x = 8,165.09 × 2,981.89
  4. Step 4: Simplify right side
    5,445.91x = 24,347,385.31
  5. Step 5: Solve for x
    x = 24,347,385.31/5,445.91
  6. Step 6: Final answer
    x = 4,470.77

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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.