Home / 5,439.28-8,152.41-3,355.96

Finding the Fourth Proportional to 5,439.28, 8,152.41 and 3,355.96

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Solution

The fourth proportional to 5,439.28, 8,152.41 and 3,355.96 is: 5,029.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.28 : 8,152.41 = 3,355.96 : x
  2. Step 2: Convert to fraction form
    5,439.28/8,152.41 = 3,355.96/x
  3. Step 3: Cross multiply
    5,439.28x = 8,152.41 × 3,355.96
  4. Step 4: Simplify right side
    5,439.28x = 27,359,161.86
  5. Step 5: Solve for x
    x = 27,359,161.86/5,439.28
  6. Step 6: Final answer
    x = 5,029.92

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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.