Home / 5,273.22-7,909.20-1,377.92

Finding the Fourth Proportional to 5,273.22, 7,909.20 and 1,377.92

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Solution

The fourth proportional to 5,273.22, 7,909.20 and 1,377.92 is: 2,066.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273.22 : 7,909.20 = 1,377.92 : x
  2. Step 2: Convert to fraction form
    5,273.22/7,909.20 = 1,377.92/x
  3. Step 3: Cross multiply
    5,273.22x = 7,909.20 × 1,377.92
  4. Step 4: Simplify right side
    5,273.22x = 10,898,244.86
  5. Step 5: Solve for x
    x = 10,898,244.86/5,273.22
  6. Step 6: Final answer
    x = 2,066.72

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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.