Home / 4,122.15-6,182.52-1,199.76

Finding the Fourth Proportional to 4,122.15, 6,182.52 and 1,199.76

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Solution

The fourth proportional to 4,122.15, 6,182.52 and 1,199.76 is: 1,799.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.15 : 6,182.52 = 1,199.76 : x
  2. Step 2: Convert to fraction form
    4,122.15/6,182.52 = 1,199.76/x
  3. Step 3: Cross multiply
    4,122.15x = 6,182.52 × 1,199.76
  4. Step 4: Simplify right side
    4,122.15x = 7,417,540.20
  5. Step 5: Solve for x
    x = 7,417,540.20/4,122.15
  6. Step 6: Final answer
    x = 1,799.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.