Home / 5,538.20-8,305.85-1,641.69

Finding the Fourth Proportional to 5,538.20, 8,305.85 and 1,641.69

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Solution

The fourth proportional to 5,538.20, 8,305.85 and 1,641.69 is: 2,462.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.20 : 8,305.85 = 1,641.69 : x
  2. Step 2: Convert to fraction form
    5,538.20/8,305.85 = 1,641.69/x
  3. Step 3: Cross multiply
    5,538.20x = 8,305.85 × 1,641.69
  4. Step 4: Simplify right side
    5,538.20x = 13,635,622.68
  5. Step 5: Solve for x
    x = 13,635,622.68/5,538.20
  6. Step 6: Final answer
    x = 2,462.11

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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.