Home / 4,178.68-5,764.82-3,847.08

Finding the Fourth Proportional to 4,178.68, 5,764.82 and 3,847.08

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Solution

The fourth proportional to 4,178.68, 5,764.82 and 3,847.08 is: 5,307.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.68 : 5,764.82 = 3,847.08 : x
  2. Step 2: Convert to fraction form
    4,178.68/5,764.82 = 3,847.08/x
  3. Step 3: Cross multiply
    4,178.68x = 5,764.82 × 3,847.08
  4. Step 4: Simplify right side
    4,178.68x = 22,177,723.73
  5. Step 5: Solve for x
    x = 22,177,723.73/4,178.68
  6. Step 6: Final answer
    x = 5,307.35

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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.