Home / 4,439.68-6,120.80-3,182.56

Finding the Fourth Proportional to 4,439.68, 6,120.80 and 3,182.56

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Solution

The fourth proportional to 4,439.68, 6,120.80 and 3,182.56 is: 4,387.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,439.68 : 6,120.80 = 3,182.56 : x
  2. Step 2: Convert to fraction form
    4,439.68/6,120.80 = 3,182.56/x
  3. Step 3: Cross multiply
    4,439.68x = 6,120.80 × 3,182.56
  4. Step 4: Simplify right side
    4,439.68x = 19,479,813.25
  5. Step 5: Solve for x
    x = 19,479,813.25/4,439.68
  6. Step 6: Final answer
    x = 4,387.66

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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.