Home / 6,612.19-9,125.12-3,959.08

Finding the Fourth Proportional to 6,612.19, 9,125.12 and 3,959.08

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Solution

The fourth proportional to 6,612.19, 9,125.12 and 3,959.08 is: 5,463.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,612.19 : 9,125.12 = 3,959.08 : x
  2. Step 2: Convert to fraction form
    6,612.19/9,125.12 = 3,959.08/x
  3. Step 3: Cross multiply
    6,612.19x = 9,125.12 × 3,959.08
  4. Step 4: Simplify right side
    6,612.19x = 36,127,080.09
  5. Step 5: Solve for x
    x = 36,127,080.09/6,612.19
  6. Step 6: Final answer
    x = 5,463.71

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Double scale
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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.