Home / 7,521.63-11,278.89-2,254.59

Finding the Fourth Proportional to 7,521.63, 11,278.89 and 2,254.59

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Solution

The fourth proportional to 7,521.63, 11,278.89 and 2,254.59 is: 3,380.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521.63 : 11,278.89 = 2,254.59 : x
  2. Step 2: Convert to fraction form
    7,521.63/11,278.89 = 2,254.59/x
  3. Step 3: Cross multiply
    7,521.63x = 11,278.89 × 2,254.59
  4. Step 4: Simplify right side
    7,521.63x = 25,429,272.61
  5. Step 5: Solve for x
    x = 25,429,272.61/7,521.63
  6. Step 6: Final answer
    x = 3,380.82

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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.