Home / 8,226.28-12,340.08-2,679.52

Finding the Fourth Proportional to 8,226.28, 12,340.08 and 2,679.52

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Solution

The fourth proportional to 8,226.28, 12,340.08 and 2,679.52 is: 4,019.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,226.28 : 12,340.08 = 2,679.52 : x
  2. Step 2: Convert to fraction form
    8,226.28/12,340.08 = 2,679.52/x
  3. Step 3: Cross multiply
    8,226.28x = 12,340.08 × 2,679.52
  4. Step 4: Simplify right side
    8,226.28x = 33,065,491.16
  5. Step 5: Solve for x
    x = 33,065,491.16/8,226.28
  6. Step 6: Final answer
    x = 4,019.49

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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.