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Finding the Fourth Proportional to 8,292.32, 12,440.32 and 4,399.52

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Solution

The fourth proportional to 8,292.32, 12,440.32 and 4,399.52 is: 6,600.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,292.32 : 12,440.32 = 4,399.52 : x
  2. Step 2: Convert to fraction form
    8,292.32/12,440.32 = 4,399.52/x
  3. Step 3: Cross multiply
    8,292.32x = 12,440.32 × 4,399.52
  4. Step 4: Simplify right side
    8,292.32x = 54,731,436.65
  5. Step 5: Solve for x
    x = 54,731,436.65/8,292.32
  6. Step 6: Final answer
    x = 6,600.26

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1.5x scale

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.