Home / 5,172.09-7,138.22-2,934.52

Finding the Fourth Proportional to 5,172.09, 7,138.22 and 2,934.52

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Solution

The fourth proportional to 5,172.09, 7,138.22 and 2,934.52 is: 4,050.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172.09 : 7,138.22 = 2,934.52 : x
  2. Step 2: Convert to fraction form
    5,172.09/7,138.22 = 2,934.52/x
  3. Step 3: Cross multiply
    5,172.09x = 7,138.22 × 2,934.52
  4. Step 4: Simplify right side
    5,172.09x = 20,947,249.35
  5. Step 5: Solve for x
    x = 20,947,249.35/5,172.09
  6. Step 6: Final answer
    x = 4,050.06

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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.