Home / 5,521.38-7,619.52-3,003.51

Finding the Fourth Proportional to 5,521.38, 7,619.52 and 3,003.51

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Solution

The fourth proportional to 5,521.38, 7,619.52 and 3,003.51 is: 4,144.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521.38 : 7,619.52 = 3,003.51 : x
  2. Step 2: Convert to fraction form
    5,521.38/7,619.52 = 3,003.51/x
  3. Step 3: Cross multiply
    5,521.38x = 7,619.52 × 3,003.51
  4. Step 4: Simplify right side
    5,521.38x = 22,885,304.52
  5. Step 5: Solve for x
    x = 22,885,304.52/5,521.38
  6. Step 6: Final answer
    x = 4,144.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.