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Finding the Fourth Proportional to 8,934.01, 13,402.53 and 3,089.25

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Solution

The fourth proportional to 8,934.01, 13,402.53 and 3,089.25 is: 4,634.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,934.01 : 13,402.53 = 3,089.25 : x
  2. Step 2: Convert to fraction form
    8,934.01/13,402.53 = 3,089.25/x
  3. Step 3: Cross multiply
    8,934.01x = 13,402.53 × 3,089.25
  4. Step 4: Simplify right side
    8,934.01x = 41,403,765.80
  5. Step 5: Solve for x
    x = 41,403,765.80/8,934.01
  6. Step 6: Final answer
    x = 4,634.40

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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.