Home / 5,010.72-7,517.28-1,723.84

Finding the Fourth Proportional to 5,010.72, 7,517.28 and 1,723.84

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Solution

The fourth proportional to 5,010.72, 7,517.28 and 1,723.84 is: 2,586.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,010.72 : 7,517.28 = 1,723.84 : x
  2. Step 2: Convert to fraction form
    5,010.72/7,517.28 = 1,723.84/x
  3. Step 3: Cross multiply
    5,010.72x = 7,517.28 × 1,723.84
  4. Step 4: Simplify right side
    5,010.72x = 12,958,587.96
  5. Step 5: Solve for x
    x = 12,958,587.96/5,010.72
  6. Step 6: Final answer
    x = 2,586.17

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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.