Home / 5,159.57-7,119.79-3,035.18

Finding the Fourth Proportional to 5,159.57, 7,119.79 and 3,035.18

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Solution

The fourth proportional to 5,159.57, 7,119.79 and 3,035.18 is: 4,188.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,159.57 : 7,119.79 = 3,035.18 : x
  2. Step 2: Convert to fraction form
    5,159.57/7,119.79 = 3,035.18/x
  3. Step 3: Cross multiply
    5,159.57x = 7,119.79 × 3,035.18
  4. Step 4: Simplify right side
    5,159.57x = 21,609,854.42
  5. Step 5: Solve for x
    x = 21,609,854.42/5,159.57
  6. Step 6: Final answer
    x = 4,188.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.