Home / 8,861.43-13,296.78-5,740.64

Finding the Fourth Proportional to 8,861.43, 13,296.78 and 5,740.64

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Solution

The fourth proportional to 8,861.43, 13,296.78 and 5,740.64 is: 8,613.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,861.43 : 13,296.78 = 5,740.64 : x
  2. Step 2: Convert to fraction form
    8,861.43/13,296.78 = 5,740.64/x
  3. Step 3: Cross multiply
    8,861.43x = 13,296.78 × 5,740.64
  4. Step 4: Simplify right side
    8,861.43x = 76,331,960.66
  5. Step 5: Solve for x
    x = 76,331,960.66/8,861.43
  6. Step 6: Final answer
    x = 8,613.96

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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.