Home / 8,251.26-12,374.01-3,319.62

Finding the Fourth Proportional to 8,251.26, 12,374.01 and 3,319.62

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Solution

The fourth proportional to 8,251.26, 12,374.01 and 3,319.62 is: 4,978.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251.26 : 12,374.01 = 3,319.62 : x
  2. Step 2: Convert to fraction form
    8,251.26/12,374.01 = 3,319.62/x
  3. Step 3: Cross multiply
    8,251.26x = 12,374.01 × 3,319.62
  4. Step 4: Simplify right side
    8,251.26x = 41,077,011.08
  5. Step 5: Solve for x
    x = 41,077,011.08/8,251.26
  6. Step 6: Final answer
    x = 4,978.27

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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.