Home / 8,260.12-12,393.81-3,339.37

Finding the Fourth Proportional to 8,260.12, 12,393.81 and 3,339.37

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Solution

The fourth proportional to 8,260.12, 12,393.81 and 3,339.37 is: 5,010.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.12 : 12,393.81 = 3,339.37 : x
  2. Step 2: Convert to fraction form
    8,260.12/12,393.81 = 3,339.37/x
  3. Step 3: Cross multiply
    8,260.12x = 12,393.81 × 3,339.37
  4. Step 4: Simplify right side
    8,260.12x = 41,387,517.30
  5. Step 5: Solve for x
    x = 41,387,517.30/8,260.12
  6. Step 6: Final answer
    x = 5,010.52

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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.