Home / 8,260.20-12,391.11-2,713.32

Finding the Fourth Proportional to 8,260.20, 12,391.11 and 2,713.32

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Solution

The fourth proportional to 8,260.20, 12,391.11 and 2,713.32 is: 4,070.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.20 : 12,391.11 = 2,713.32 : x
  2. Step 2: Convert to fraction form
    8,260.20/12,391.11 = 2,713.32/x
  3. Step 3: Cross multiply
    8,260.20x = 12,391.11 × 2,713.32
  4. Step 4: Simplify right side
    8,260.20x = 33,621,046.59
  5. Step 5: Solve for x
    x = 33,621,046.59/8,260.20
  6. Step 6: Final answer
    x = 4,070.25

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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.