Home / 5,429.16-8,144.55-1,731.65

Finding the Fourth Proportional to 5,429.16, 8,144.55 and 1,731.65

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Solution

The fourth proportional to 5,429.16, 8,144.55 and 1,731.65 is: 2,597.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429.16 : 8,144.55 = 1,731.65 : x
  2. Step 2: Convert to fraction form
    5,429.16/8,144.55 = 1,731.65/x
  3. Step 3: Cross multiply
    5,429.16x = 8,144.55 × 1,731.65
  4. Step 4: Simplify right side
    5,429.16x = 14,103,469.28
  5. Step 5: Solve for x
    x = 14,103,469.28/5,429.16
  6. Step 6: Final answer
    x = 2,597.73

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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.