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Finding the Fourth Proportional to 6,248.14, 8,622.12 and 4,482.70

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Solution

The fourth proportional to 6,248.14, 8,622.12 and 4,482.70 is: 6,185.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,248.14 : 8,622.12 = 4,482.70 : x
  2. Step 2: Convert to fraction form
    6,248.14/8,622.12 = 4,482.70/x
  3. Step 3: Cross multiply
    6,248.14x = 8,622.12 × 4,482.70
  4. Step 4: Simplify right side
    6,248.14x = 38,650,377.32
  5. Step 5: Solve for x
    x = 38,650,377.32/6,248.14
  6. Step 6: Final answer
    x = 6,185.90

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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.