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Finding the Fourth Proportional to 5,938.61, 8,902.04 and 2,813.12

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Solution

The fourth proportional to 5,938.61, 8,902.04 and 2,813.12 is: 4,216.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,938.61 : 8,902.04 = 2,813.12 : x
  2. Step 2: Convert to fraction form
    5,938.61/8,902.04 = 2,813.12/x
  3. Step 3: Cross multiply
    5,938.61x = 8,902.04 × 2,813.12
  4. Step 4: Simplify right side
    5,938.61x = 25,042,481.57
  5. Step 5: Solve for x
    x = 25,042,481.57/5,938.61
  6. Step 6: Final answer
    x = 4,216.90

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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.