Home / 4,149.32-6,222.35-1,839.20

Finding the Fourth Proportional to 4,149.32, 6,222.35 and 1,839.20

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Solution

The fourth proportional to 4,149.32, 6,222.35 and 1,839.20 is: 2,758.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,149.32 : 6,222.35 = 1,839.20 : x
  2. Step 2: Convert to fraction form
    4,149.32/6,222.35 = 1,839.20/x
  3. Step 3: Cross multiply
    4,149.32x = 6,222.35 × 1,839.20
  4. Step 4: Simplify right side
    4,149.32x = 11,444,105.81
  5. Step 5: Solve for x
    x = 11,444,105.81/4,149.32
  6. Step 6: Final answer
    x = 2,758.07

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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.