Home / 8,339.27-11,512.38-6,446.59

Finding the Fourth Proportional to 8,339.27, 11,512.38 and 6,446.59

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Solution

The fourth proportional to 8,339.27, 11,512.38 and 6,446.59 is: 8,899.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,339.27 : 11,512.38 = 6,446.59 : x
  2. Step 2: Convert to fraction form
    8,339.27/11,512.38 = 6,446.59/x
  3. Step 3: Cross multiply
    8,339.27x = 11,512.38 × 6,446.59
  4. Step 4: Simplify right side
    8,339.27x = 74,215,593.78
  5. Step 5: Solve for x
    x = 74,215,593.78/8,339.27
  6. Step 6: Final answer
    x = 8,899.53

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1.5x scale

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.