Home / 7,080.39-9,769.20-4,247.97

Finding the Fourth Proportional to 7,080.39, 9,769.20 and 4,247.97

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Solution

The fourth proportional to 7,080.39, 9,769.20 and 4,247.97 is: 5,861.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,080.39 : 9,769.20 = 4,247.97 : x
  2. Step 2: Convert to fraction form
    7,080.39/9,769.20 = 4,247.97/x
  3. Step 3: Cross multiply
    7,080.39x = 9,769.20 × 4,247.97
  4. Step 4: Simplify right side
    7,080.39x = 41,499,268.52
  5. Step 5: Solve for x
    x = 41,499,268.52/7,080.39
  6. Step 6: Final answer
    x = 5,861.16

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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.