Home / 7,521.31-11,278.41-2,254.29

Finding the Fourth Proportional to 7,521.31, 11,278.41 and 2,254.29

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Solution

The fourth proportional to 7,521.31, 11,278.41 and 2,254.29 is: 3,380.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521.31 : 11,278.41 = 2,254.29 : x
  2. Step 2: Convert to fraction form
    7,521.31/11,278.41 = 2,254.29/x
  3. Step 3: Cross multiply
    7,521.31x = 11,278.41 × 2,254.29
  4. Step 4: Simplify right side
    7,521.31x = 25,424,806.88
  5. Step 5: Solve for x
    x = 25,424,806.88/7,521.31
  6. Step 6: Final answer
    x = 3,380.37

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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.