Home / 7,591.90-11,385.62-2,911.56

Finding the Fourth Proportional to 7,591.90, 11,385.62 and 2,911.56

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Solution

The fourth proportional to 7,591.90, 11,385.62 and 2,911.56 is: 4,366.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,591.90 : 11,385.62 = 2,911.56 : x
  2. Step 2: Convert to fraction form
    7,591.90/11,385.62 = 2,911.56/x
  3. Step 3: Cross multiply
    7,591.90x = 11,385.62 × 2,911.56
  4. Step 4: Simplify right side
    7,591.90x = 33,149,858.84
  5. Step 5: Solve for x
    x = 33,149,858.84/7,591.90
  6. Step 6: Final answer
    x = 4,366.48

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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.