Home / 8,226.42-12,335.18-2,960.61

Finding the Fourth Proportional to 8,226.42, 12,335.18 and 2,960.61

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Solution

The fourth proportional to 8,226.42, 12,335.18 and 2,960.61 is: 4,439.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,226.42 : 12,335.18 = 2,960.61 : x
  2. Step 2: Convert to fraction form
    8,226.42/12,335.18 = 2,960.61/x
  3. Step 3: Cross multiply
    8,226.42x = 12,335.18 × 2,960.61
  4. Step 4: Simplify right side
    8,226.42x = 36,519,642.46
  5. Step 5: Solve for x
    x = 36,519,642.46/8,226.42
  6. Step 6: Final answer
    x = 4,439.31

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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.