Home / 5,919.77-8,169.42-3,267.12

Finding the Fourth Proportional to 5,919.77, 8,169.42 and 3,267.12

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Solution

The fourth proportional to 5,919.77, 8,169.42 and 3,267.12 is: 4,508.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.77 : 8,169.42 = 3,267.12 : x
  2. Step 2: Convert to fraction form
    5,919.77/8,169.42 = 3,267.12/x
  3. Step 3: Cross multiply
    5,919.77x = 8,169.42 × 3,267.12
  4. Step 4: Simplify right side
    5,919.77x = 26,690,475.47
  5. Step 5: Solve for x
    x = 26,690,475.47/5,919.77
  6. Step 6: Final answer
    x = 4,508.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.