Home / 5,219.38-7,829.06-1,521.53

Finding the Fourth Proportional to 5,219.38, 7,829.06 and 1,521.53

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Solution

The fourth proportional to 5,219.38, 7,829.06 and 1,521.53 is: 2,282.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,219.38 : 7,829.06 = 1,521.53 : x
  2. Step 2: Convert to fraction form
    5,219.38/7,829.06 = 1,521.53/x
  3. Step 3: Cross multiply
    5,219.38x = 7,829.06 × 1,521.53
  4. Step 4: Simplify right side
    5,219.38x = 11,912,102.91
  5. Step 5: Solve for x
    x = 11,912,102.91/5,219.38
  6. Step 6: Final answer
    x = 2,282.29

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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.