Home / 6,432.32-8,872.80-3,944

Finding the Fourth Proportional to 6,432.32, 8,872.80 and 3,944

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Solution

The fourth proportional to 6,432.32, 8,872.80 and 3,944 is: 5,440.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,432.32 : 8,872.80 = 3,944 : x
  2. Step 2: Convert to fraction form
    6,432.32/8,872.80 = 3,944/x
  3. Step 3: Cross multiply
    6,432.32x = 8,872.80 × 3,944
  4. Step 4: Simplify right side
    6,432.32x = 34,994,323.20
  5. Step 5: Solve for x
    x = 34,994,323.20/6,432.32
  6. Step 6: Final answer
    x = 5,440.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.