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Finding the Fourth Proportional to 6,397.92, 8,834.67 and 4,722.23

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Solution

The fourth proportional to 6,397.92, 8,834.67 and 4,722.23 is: 6,520.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,397.92 : 8,834.67 = 4,722.23 : x
  2. Step 2: Convert to fraction form
    6,397.92/8,834.67 = 4,722.23/x
  3. Step 3: Cross multiply
    6,397.92x = 8,834.67 × 4,722.23
  4. Step 4: Simplify right side
    6,397.92x = 41,719,365.80
  5. Step 5: Solve for x
    x = 41,719,365.80/6,397.92
  6. Step 6: Final answer
    x = 6,520.77

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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.