Home / 5,159.70-7,119.09-3,034.80

Finding the Fourth Proportional to 5,159.70, 7,119.09 and 3,034.80

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Solution

The fourth proportional to 5,159.70, 7,119.09 and 3,034.80 is: 4,187.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,159.70 : 7,119.09 = 3,034.80 : x
  2. Step 2: Convert to fraction form
    5,159.70/7,119.09 = 3,034.80/x
  3. Step 3: Cross multiply
    5,159.70x = 7,119.09 × 3,034.80
  4. Step 4: Simplify right side
    5,159.70x = 21,605,014.33
  5. Step 5: Solve for x
    x = 21,605,014.33/5,159.70
  6. Step 6: Final answer
    x = 4,187.26

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1.5x scale

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.