Home / 7,521.44-11,278.61-2,254.41

Finding the Fourth Proportional to 7,521.44, 11,278.61 and 2,254.41

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Solution

The fourth proportional to 7,521.44, 11,278.61 and 2,254.41 is: 3,380.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521.44 : 11,278.61 = 2,254.41 : x
  2. Step 2: Convert to fraction form
    7,521.44/11,278.61 = 2,254.41/x
  3. Step 3: Cross multiply
    7,521.44x = 11,278.61 × 2,254.41
  4. Step 4: Simplify right side
    7,521.44x = 25,426,608.35
  5. Step 5: Solve for x
    x = 25,426,608.35/7,521.44
  6. Step 6: Final answer
    x = 3,380.55

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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.