Home / 5,432.32-8,159.36-3,245.28

Finding the Fourth Proportional to 5,432.32, 8,159.36 and 3,245.28

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Solution

The fourth proportional to 5,432.32, 8,159.36 and 3,245.28 is: 4,874.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432.32 : 8,159.36 = 3,245.28 : x
  2. Step 2: Convert to fraction form
    5,432.32/8,159.36 = 3,245.28/x
  3. Step 3: Cross multiply
    5,432.32x = 8,159.36 × 3,245.28
  4. Step 4: Simplify right side
    5,432.32x = 26,479,407.82
  5. Step 5: Solve for x
    x = 26,479,407.82/5,432.32
  6. Step 6: Final answer
    x = 4,874.42

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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.