Home / 4,267.92-6,398.04-1,531.28

Finding the Fourth Proportional to 4,267.92, 6,398.04 and 1,531.28

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Solution

The fourth proportional to 4,267.92, 6,398.04 and 1,531.28 is: 2,295.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,267.92 : 6,398.04 = 1,531.28 : x
  2. Step 2: Convert to fraction form
    4,267.92/6,398.04 = 1,531.28/x
  3. Step 3: Cross multiply
    4,267.92x = 6,398.04 × 1,531.28
  4. Step 4: Simplify right side
    4,267.92x = 9,797,190.69
  5. Step 5: Solve for x
    x = 9,797,190.69/4,267.92
  6. Step 6: Final answer
    x = 2,295.54

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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.