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Finding the Fourth Proportional to 8,354.76, 11,503.26 and 6,358.92

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Solution

The fourth proportional to 8,354.76, 11,503.26 and 6,358.92 is: 8,755.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,354.76 : 11,503.26 = 6,358.92 : x
  2. Step 2: Convert to fraction form
    8,354.76/11,503.26 = 6,358.92/x
  3. Step 3: Cross multiply
    8,354.76x = 11,503.26 × 6,358.92
  4. Step 4: Simplify right side
    8,354.76x = 73,148,310.08
  5. Step 5: Solve for x
    x = 73,148,310.08/8,354.76
  6. Step 6: Final answer
    x = 8,755.29

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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.