Home / 5,161.19-7,122.24-2,922.62

Finding the Fourth Proportional to 5,161.19, 7,122.24 and 2,922.62

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Solution

The fourth proportional to 5,161.19, 7,122.24 and 2,922.62 is: 4,033.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161.19 : 7,122.24 = 2,922.62 : x
  2. Step 2: Convert to fraction form
    5,161.19/7,122.24 = 2,922.62/x
  3. Step 3: Cross multiply
    5,161.19x = 7,122.24 × 2,922.62
  4. Step 4: Simplify right side
    5,161.19x = 20,815,565.46
  5. Step 5: Solve for x
    x = 20,815,565.46/5,161.19
  6. Step 6: Final answer
    x = 4,033.10

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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.