Home / 8,560.24-11,809.56-5,760.88

Finding the Fourth Proportional to 8,560.24, 11,809.56 and 5,760.88

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Solution

The fourth proportional to 8,560.24, 11,809.56 and 5,760.88 is: 7,947.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,560.24 : 11,809.56 = 5,760.88 : x
  2. Step 2: Convert to fraction form
    8,560.24/11,809.56 = 5,760.88/x
  3. Step 3: Cross multiply
    8,560.24x = 11,809.56 × 5,760.88
  4. Step 4: Simplify right side
    8,560.24x = 68,033,458.01
  5. Step 5: Solve for x
    x = 68,033,458.01/8,560.24
  6. Step 6: Final answer
    x = 7,947.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.