Home / 6,451.17-8,902.68-3,618.64

Finding the Fourth Proportional to 6,451.17, 8,902.68 and 3,618.64

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Solution

The fourth proportional to 6,451.17, 8,902.68 and 3,618.64 is: 4,993.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,451.17 : 8,902.68 = 3,618.64 : x
  2. Step 2: Convert to fraction form
    6,451.17/8,902.68 = 3,618.64/x
  3. Step 3: Cross multiply
    6,451.17x = 8,902.68 × 3,618.64
  4. Step 4: Simplify right side
    6,451.17x = 32,215,575.86
  5. Step 5: Solve for x
    x = 32,215,575.86/6,451.17
  6. Step 6: Final answer
    x = 4,993.76

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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.