Home / 7,081.20-10,617.12-2,695.92

Finding the Fourth Proportional to 7,081.20, 10,617.12 and 2,695.92

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Solution

The fourth proportional to 7,081.20, 10,617.12 and 2,695.92 is: 4,042.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,081.20 : 10,617.12 = 2,695.92 : x
  2. Step 2: Convert to fraction form
    7,081.20/10,617.12 = 2,695.92/x
  3. Step 3: Cross multiply
    7,081.20x = 10,617.12 × 2,695.92
  4. Step 4: Simplify right side
    7,081.20x = 28,622,906.15
  5. Step 5: Solve for x
    x = 28,622,906.15/7,081.20
  6. Step 6: Final answer
    x = 4,042.10

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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.