Home / 7,387.18-11,080.86-2,456.82

Finding the Fourth Proportional to 7,387.18, 11,080.86 and 2,456.82

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Solution

The fourth proportional to 7,387.18, 11,080.86 and 2,456.82 is: 3,685.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.18 : 11,080.86 = 2,456.82 : x
  2. Step 2: Convert to fraction form
    7,387.18/11,080.86 = 2,456.82/x
  3. Step 3: Cross multiply
    7,387.18x = 11,080.86 × 2,456.82
  4. Step 4: Simplify right side
    7,387.18x = 27,223,616.92
  5. Step 5: Solve for x
    x = 27,223,616.92/7,387.18
  6. Step 6: Final answer
    x = 3,685.25

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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.