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Finding the Fourth Proportional to 7,459.88, 11,189.88 and 2,265.75

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Solution

The fourth proportional to 7,459.88, 11,189.88 and 2,265.75 is: 3,398.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,459.88 : 11,189.88 = 2,265.75 : x
  2. Step 2: Convert to fraction form
    7,459.88/11,189.88 = 2,265.75/x
  3. Step 3: Cross multiply
    7,459.88x = 11,189.88 × 2,265.75
  4. Step 4: Simplify right side
    7,459.88x = 25,353,470.61
  5. Step 5: Solve for x
    x = 25,353,470.61/7,459.88
  6. Step 6: Final answer
    x = 3,398.65

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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.