Home / 5,135.14-7,085.14-3,144.97

Finding the Fourth Proportional to 5,135.14, 7,085.14 and 3,144.97

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Solution

The fourth proportional to 5,135.14, 7,085.14 and 3,144.97 is: 4,339.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135.14 : 7,085.14 = 3,144.97 : x
  2. Step 2: Convert to fraction form
    5,135.14/7,085.14 = 3,144.97/x
  3. Step 3: Cross multiply
    5,135.14x = 7,085.14 × 3,144.97
  4. Step 4: Simplify right side
    5,135.14x = 22,282,552.75
  5. Step 5: Solve for x
    x = 22,282,552.75/5,135.14
  6. Step 6: Final answer
    x = 4,339.23

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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.