Home / 5,432.72-8,152.24-2,312.56

Finding the Fourth Proportional to 5,432.72, 8,152.24 and 2,312.56

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Solution

The fourth proportional to 5,432.72, 8,152.24 and 2,312.56 is: 3,470.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432.72 : 8,152.24 = 2,312.56 : x
  2. Step 2: Convert to fraction form
    5,432.72/8,152.24 = 2,312.56/x
  3. Step 3: Cross multiply
    5,432.72x = 8,152.24 × 2,312.56
  4. Step 4: Simplify right side
    5,432.72x = 18,852,544.13
  5. Step 5: Solve for x
    x = 18,852,544.13/5,432.72
  6. Step 6: Final answer
    x = 3,470.19

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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.