Home / 5,540.46-8,312.10-1,842.72

Finding the Fourth Proportional to 5,540.46, 8,312.10 and 1,842.72

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Solution

The fourth proportional to 5,540.46, 8,312.10 and 1,842.72 is: 2,764.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.46 : 8,312.10 = 1,842.72 : x
  2. Step 2: Convert to fraction form
    5,540.46/8,312.10 = 1,842.72/x
  3. Step 3: Cross multiply
    5,540.46x = 8,312.10 × 1,842.72
  4. Step 4: Simplify right side
    5,540.46x = 15,316,872.91
  5. Step 5: Solve for x
    x = 15,316,872.91/5,540.46
  6. Step 6: Final answer
    x = 2,764.55

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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.