Home / 7,909.28-11,865.22-2,436

Finding the Fourth Proportional to 7,909.28, 11,865.22 and 2,436

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Solution

The fourth proportional to 7,909.28, 11,865.22 and 2,436 is: 3,654.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,909.28 : 11,865.22 = 2,436 : x
  2. Step 2: Convert to fraction form
    7,909.28/11,865.22 = 2,436/x
  3. Step 3: Cross multiply
    7,909.28x = 11,865.22 × 2,436
  4. Step 4: Simplify right side
    7,909.28x = 28,903,675.92
  5. Step 5: Solve for x
    x = 28,903,675.92/7,909.28
  6. Step 6: Final answer
    x = 3,654.40

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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.