Home / 5,159.10-7,119.70-3,034.78

Finding the Fourth Proportional to 5,159.10, 7,119.70 and 3,034.78

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Solution

The fourth proportional to 5,159.10, 7,119.70 and 3,034.78 is: 4,188.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,159.10 : 7,119.70 = 3,034.78 : x
  2. Step 2: Convert to fraction form
    5,159.10/7,119.70 = 3,034.78/x
  3. Step 3: Cross multiply
    5,159.10x = 7,119.70 × 3,034.78
  4. Step 4: Simplify right side
    5,159.10x = 21,606,723.17
  5. Step 5: Solve for x
    x = 21,606,723.17/5,159.10
  6. Step 6: Final answer
    x = 4,188.08

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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.