Home / 8,902.58-12,285.68-5,546.75

Finding the Fourth Proportional to 8,902.58, 12,285.68 and 5,546.75

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Solution

The fourth proportional to 8,902.58, 12,285.68 and 5,546.75 is: 7,654.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,902.58 : 12,285.68 = 5,546.75 : x
  2. Step 2: Convert to fraction form
    8,902.58/12,285.68 = 5,546.75/x
  3. Step 3: Cross multiply
    8,902.58x = 12,285.68 × 5,546.75
  4. Step 4: Simplify right side
    8,902.58x = 68,145,506.38
  5. Step 5: Solve for x
    x = 68,145,506.38/8,902.58
  6. Step 6: Final answer
    x = 7,654.58

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Half scale
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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.