Home / 7,728.13-11,592.20-1,884.70

Finding the Fourth Proportional to 7,728.13, 11,592.20 and 1,884.70

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Solution

The fourth proportional to 7,728.13, 11,592.20 and 1,884.70 is: 2,827.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,728.13 : 11,592.20 = 1,884.70 : x
  2. Step 2: Convert to fraction form
    7,728.13/11,592.20 = 1,884.70/x
  3. Step 3: Cross multiply
    7,728.13x = 11,592.20 × 1,884.70
  4. Step 4: Simplify right side
    7,728.13x = 21,847,819.34
  5. Step 5: Solve for x
    x = 21,847,819.34/7,728.13
  6. Step 6: Final answer
    x = 2,827.05

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Similar ratio
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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.