Home / 8,223.68-12,335.52-4,759.04

Finding the Fourth Proportional to 8,223.68, 12,335.52 and 4,759.04

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Solution

The fourth proportional to 8,223.68, 12,335.52 and 4,759.04 is: 7,138.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,223.68 : 12,335.52 = 4,759.04 : x
  2. Step 2: Convert to fraction form
    8,223.68/12,335.52 = 4,759.04/x
  3. Step 3: Cross multiply
    8,223.68x = 12,335.52 × 4,759.04
  4. Step 4: Simplify right side
    8,223.68x = 58,705,233.10
  5. Step 5: Solve for x
    x = 58,705,233.10/8,223.68
  6. Step 6: Final answer
    x = 7,138.56

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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.