Home / 5,418.46-8,111.13-3,565.90

Finding the Fourth Proportional to 5,418.46, 8,111.13 and 3,565.90

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Solution

The fourth proportional to 5,418.46, 8,111.13 and 3,565.90 is: 5,337.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418.46 : 8,111.13 = 3,565.90 : x
  2. Step 2: Convert to fraction form
    5,418.46/8,111.13 = 3,565.90/x
  3. Step 3: Cross multiply
    5,418.46x = 8,111.13 × 3,565.90
  4. Step 4: Simplify right side
    5,418.46x = 28,923,478.47
  5. Step 5: Solve for x
    x = 28,923,478.47/5,418.46
  6. Step 6: Final answer
    x = 5,337.95

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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.