Home / 5,159.44-7,740.28-1,696.56

Finding the Fourth Proportional to 5,159.44, 7,740.28 and 1,696.56

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Solution

The fourth proportional to 5,159.44, 7,740.28 and 1,696.56 is: 2,545.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,159.44 : 7,740.28 = 1,696.56 : x
  2. Step 2: Convert to fraction form
    5,159.44/7,740.28 = 1,696.56/x
  3. Step 3: Cross multiply
    5,159.44x = 7,740.28 × 1,696.56
  4. Step 4: Simplify right side
    5,159.44x = 13,131,849.44
  5. Step 5: Solve for x
    x = 13,131,849.44/5,159.44
  6. Step 6: Final answer
    x = 2,545.21

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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.