Home / 7,510.68-11,261.28-2,579.88

Finding the Fourth Proportional to 7,510.68, 11,261.28 and 2,579.88

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Solution

The fourth proportional to 7,510.68, 11,261.28 and 2,579.88 is: 3,868.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,510.68 : 11,261.28 = 2,579.88 : x
  2. Step 2: Convert to fraction form
    7,510.68/11,261.28 = 2,579.88/x
  3. Step 3: Cross multiply
    7,510.68x = 11,261.28 × 2,579.88
  4. Step 4: Simplify right side
    7,510.68x = 29,052,751.05
  5. Step 5: Solve for x
    x = 29,052,751.05/7,510.68
  6. Step 6: Final answer
    x = 3,868.19

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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.