Home / 7,385.76-11,081.88-2,456.10

Finding the Fourth Proportional to 7,385.76, 11,081.88 and 2,456.10

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Solution

The fourth proportional to 7,385.76, 11,081.88 and 2,456.10 is: 3,685.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.76 : 11,081.88 = 2,456.10 : x
  2. Step 2: Convert to fraction form
    7,385.76/11,081.88 = 2,456.10/x
  3. Step 3: Cross multiply
    7,385.76x = 11,081.88 × 2,456.10
  4. Step 4: Simplify right side
    7,385.76x = 27,218,205.47
  5. Step 5: Solve for x
    x = 27,218,205.47/7,385.76
  6. Step 6: Final answer
    x = 3,685.23

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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.