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Finding the Fourth Proportional to 6,377.12, 8,800.48 and 3,582.88

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Solution

The fourth proportional to 6,377.12, 8,800.48 and 3,582.88 is: 4,944.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,377.12 : 8,800.48 = 3,582.88 : x
  2. Step 2: Convert to fraction form
    6,377.12/8,800.48 = 3,582.88/x
  3. Step 3: Cross multiply
    6,377.12x = 8,800.48 × 3,582.88
  4. Step 4: Simplify right side
    6,377.12x = 31,531,063.78
  5. Step 5: Solve for x
    x = 31,531,063.78/6,377.12
  6. Step 6: Final answer
    x = 4,944.40

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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.