Home / 8,167.19-12,251.88-2,618.69

Finding the Fourth Proportional to 8,167.19, 12,251.88 and 2,618.69

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Solution

The fourth proportional to 8,167.19, 12,251.88 and 2,618.69 is: 3,928.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167.19 : 12,251.88 = 2,618.69 : x
  2. Step 2: Convert to fraction form
    8,167.19/12,251.88 = 2,618.69/x
  3. Step 3: Cross multiply
    8,167.19x = 12,251.88 × 2,618.69
  4. Step 4: Simplify right side
    8,167.19x = 32,083,875.64
  5. Step 5: Solve for x
    x = 32,083,875.64/8,167.19
  6. Step 6: Final answer
    x = 3,928.39

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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.