Home / 6,432.32-9,647.40-2,921.24

Finding the Fourth Proportional to 6,432.32, 9,647.40 and 2,921.24

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Solution

The fourth proportional to 6,432.32, 9,647.40 and 2,921.24 is: 4,381.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,432.32 : 9,647.40 = 2,921.24 : x
  2. Step 2: Convert to fraction form
    6,432.32/9,647.40 = 2,921.24/x
  3. Step 3: Cross multiply
    6,432.32x = 9,647.40 × 2,921.24
  4. Step 4: Simplify right side
    6,432.32x = 28,182,370.78
  5. Step 5: Solve for x
    x = 28,182,370.78/6,432.32
  6. Step 6: Final answer
    x = 4,381.37

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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.