Home / 8,084.91-11,157.20-4,727.12

Finding the Fourth Proportional to 8,084.91, 11,157.20 and 4,727.12

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Solution

The fourth proportional to 8,084.91, 11,157.20 and 4,727.12 is: 6,523.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,084.91 : 11,157.20 = 4,727.12 : x
  2. Step 2: Convert to fraction form
    8,084.91/11,157.20 = 4,727.12/x
  3. Step 3: Cross multiply
    8,084.91x = 11,157.20 × 4,727.12
  4. Step 4: Simplify right side
    8,084.91x = 52,741,423.26
  5. Step 5: Solve for x
    x = 52,741,423.26/8,084.91
  6. Step 6: Final answer
    x = 6,523.44

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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.