Home / 5,635.68-8,454.96-2,861.28

Finding the Fourth Proportional to 5,635.68, 8,454.96 and 2,861.28

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Solution

The fourth proportional to 5,635.68, 8,454.96 and 2,861.28 is: 4,292.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,635.68 : 8,454.96 = 2,861.28 : x
  2. Step 2: Convert to fraction form
    5,635.68/8,454.96 = 2,861.28/x
  3. Step 3: Cross multiply
    5,635.68x = 8,454.96 × 2,861.28
  4. Step 4: Simplify right side
    5,635.68x = 24,192,007.95
  5. Step 5: Solve for x
    x = 24,192,007.95/5,635.68
  6. Step 6: Final answer
    x = 4,292.65

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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.