Home / 5,540.67-8,312.40-1,644.98

Finding the Fourth Proportional to 5,540.67, 8,312.40 and 1,644.98

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Solution

The fourth proportional to 5,540.67, 8,312.40 and 1,644.98 is: 2,467.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.67 : 8,312.40 = 1,644.98 : x
  2. Step 2: Convert to fraction form
    5,540.67/8,312.40 = 1,644.98/x
  3. Step 3: Cross multiply
    5,540.67x = 8,312.40 × 1,644.98
  4. Step 4: Simplify right side
    5,540.67x = 13,673,690.19
  5. Step 5: Solve for x
    x = 13,673,690.19/5,540.67
  6. Step 6: Final answer
    x = 2,467.88

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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.