Home / 5,112.27-7,054.97-2,874.13

Finding the Fourth Proportional to 5,112.27, 7,054.97 and 2,874.13

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Solution

The fourth proportional to 5,112.27, 7,054.97 and 2,874.13 is: 3,966.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112.27 : 7,054.97 = 2,874.13 : x
  2. Step 2: Convert to fraction form
    5,112.27/7,054.97 = 2,874.13/x
  3. Step 3: Cross multiply
    5,112.27x = 7,054.97 × 2,874.13
  4. Step 4: Simplify right side
    5,112.27x = 20,276,886.56
  5. Step 5: Solve for x
    x = 20,276,886.56/5,112.27
  6. Step 6: Final answer
    x = 3,966.32

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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.