Home / 7,521.27-11,282.28-1,974.63

Finding the Fourth Proportional to 7,521.27, 11,282.28 and 1,974.63

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Solution

The fourth proportional to 7,521.27, 11,282.28 and 1,974.63 is: 2,962.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521.27 : 11,282.28 = 1,974.63 : x
  2. Step 2: Convert to fraction form
    7,521.27/11,282.28 = 1,974.63/x
  3. Step 3: Cross multiply
    7,521.27x = 11,282.28 × 1,974.63
  4. Step 4: Simplify right side
    7,521.27x = 22,278,328.56
  5. Step 5: Solve for x
    x = 22,278,328.56/7,521.27
  6. Step 6: Final answer
    x = 2,962.04

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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.