Home / 8,582.40-12,849.33-5,454.66

Finding the Fourth Proportional to 8,582.40, 12,849.33 and 5,454.66

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Solution

The fourth proportional to 8,582.40, 12,849.33 and 5,454.66 is: 8,166.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,582.40 : 12,849.33 = 5,454.66 : x
  2. Step 2: Convert to fraction form
    8,582.40/12,849.33 = 5,454.66/x
  3. Step 3: Cross multiply
    8,582.40x = 12,849.33 × 5,454.66
  4. Step 4: Simplify right side
    8,582.40x = 70,088,726.38
  5. Step 5: Solve for x
    x = 70,088,726.38/8,582.40
  6. Step 6: Final answer
    x = 8,166.56

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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.