Home / 5,521.32-7,619.40-3,003.53

Finding the Fourth Proportional to 5,521.32, 7,619.40 and 3,003.53

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Solution

The fourth proportional to 5,521.32, 7,619.40 and 3,003.53 is: 4,144.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521.32 : 7,619.40 = 3,003.53 : x
  2. Step 2: Convert to fraction form
    5,521.32/7,619.40 = 3,003.53/x
  3. Step 3: Cross multiply
    5,521.32x = 7,619.40 × 3,003.53
  4. Step 4: Simplify right side
    5,521.32x = 22,885,058.39
  5. Step 5: Solve for x
    x = 22,885,058.39/5,521.32
  6. Step 6: Final answer
    x = 4,144.85

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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.