Home / 7,591.08-11,378.82-2,909.82

Finding the Fourth Proportional to 7,591.08, 11,378.82 and 2,909.82

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Solution

The fourth proportional to 7,591.08, 11,378.82 and 2,909.82 is: 4,361.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,591.08 : 11,378.82 = 2,909.82 : x
  2. Step 2: Convert to fraction form
    7,591.08/11,378.82 = 2,909.82/x
  3. Step 3: Cross multiply
    7,591.08x = 11,378.82 × 2,909.82
  4. Step 4: Simplify right side
    7,591.08x = 33,110,318.01
  5. Step 5: Solve for x
    x = 33,110,318.01/7,591.08
  6. Step 6: Final answer
    x = 4,361.74

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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.