Home / 8,217.38-12,326.04-3,832.40

Finding the Fourth Proportional to 8,217.38, 12,326.04 and 3,832.40

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Solution

The fourth proportional to 8,217.38, 12,326.04 and 3,832.40 is: 5,748.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,217.38 : 12,326.04 = 3,832.40 : x
  2. Step 2: Convert to fraction form
    8,217.38/12,326.04 = 3,832.40/x
  3. Step 3: Cross multiply
    8,217.38x = 12,326.04 × 3,832.40
  4. Step 4: Simplify right side
    8,217.38x = 47,238,315.70
  5. Step 5: Solve for x
    x = 47,238,315.70/8,217.38
  6. Step 6: Final answer
    x = 5,748.59

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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.