Home / 8,169.12-12,251.52-2,326.05

Finding the Fourth Proportional to 8,169.12, 12,251.52 and 2,326.05

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Solution

The fourth proportional to 8,169.12, 12,251.52 and 2,326.05 is: 3,488.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169.12 : 12,251.52 = 2,326.05 : x
  2. Step 2: Convert to fraction form
    8,169.12/12,251.52 = 2,326.05/x
  3. Step 3: Cross multiply
    8,169.12x = 12,251.52 × 2,326.05
  4. Step 4: Simplify right side
    8,169.12x = 28,497,648.10
  5. Step 5: Solve for x
    x = 28,497,648.10/8,169.12
  6. Step 6: Final answer
    x = 3,488.46

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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.