Home / 4,272.30-6,407.91-1,350.90

Finding the Fourth Proportional to 4,272.30, 6,407.91 and 1,350.90

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Solution

The fourth proportional to 4,272.30, 6,407.91 and 1,350.90 is: 2,026.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.30 : 6,407.91 = 1,350.90 : x
  2. Step 2: Convert to fraction form
    4,272.30/6,407.91 = 1,350.90/x
  3. Step 3: Cross multiply
    4,272.30x = 6,407.91 × 1,350.90
  4. Step 4: Simplify right side
    4,272.30x = 8,656,445.62
  5. Step 5: Solve for x
    x = 8,656,445.62/4,272.30
  6. Step 6: Final answer
    x = 2,026.18

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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.