Home / 7,591.15-11,378.91-2,909.89

Finding the Fourth Proportional to 7,591.15, 11,378.91 and 2,909.89

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Solution

The fourth proportional to 7,591.15, 11,378.91 and 2,909.89 is: 4,361.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,591.15 : 11,378.91 = 2,909.89 : x
  2. Step 2: Convert to fraction form
    7,591.15/11,378.91 = 2,909.89/x
  3. Step 3: Cross multiply
    7,591.15x = 11,378.91 × 2,909.89
  4. Step 4: Simplify right side
    7,591.15x = 33,111,376.42
  5. Step 5: Solve for x
    x = 33,111,376.42/7,591.15
  6. Step 6: Final answer
    x = 4,361.84

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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.