Home / 7,579.85-11,371.61-2,385.73

Finding the Fourth Proportional to 7,579.85, 11,371.61 and 2,385.73

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Solution

The fourth proportional to 7,579.85, 11,371.61 and 2,385.73 is: 3,579.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.85 : 11,371.61 = 2,385.73 : x
  2. Step 2: Convert to fraction form
    7,579.85/11,371.61 = 2,385.73/x
  3. Step 3: Cross multiply
    7,579.85x = 11,371.61 × 2,385.73
  4. Step 4: Simplify right side
    7,579.85x = 27,129,591.13
  5. Step 5: Solve for x
    x = 27,129,591.13/7,579.85
  6. Step 6: Final answer
    x = 3,579.17

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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.