Home / 4,519.12-6,721.88-4,147.33

Finding the Fourth Proportional to 4,519.12, 6,721.88 and 4,147.33

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Solution

The fourth proportional to 4,519.12, 6,721.88 and 4,147.33 is: 6,168.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,519.12 : 6,721.88 = 4,147.33 : x
  2. Step 2: Convert to fraction form
    4,519.12/6,721.88 = 4,147.33/x
  3. Step 3: Cross multiply
    4,519.12x = 6,721.88 × 4,147.33
  4. Step 4: Simplify right side
    4,519.12x = 27,877,854.58
  5. Step 5: Solve for x
    x = 27,877,854.58/4,519.12
  6. Step 6: Final answer
    x = 6,168.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.