Home / 4,178.53-5,766.12-2,289.73

Finding the Fourth Proportional to 4,178.53, 5,766.12 and 2,289.73

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Solution

The fourth proportional to 4,178.53, 5,766.12 and 2,289.73 is: 3,159.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.53 : 5,766.12 = 2,289.73 : x
  2. Step 2: Convert to fraction form
    4,178.53/5,766.12 = 2,289.73/x
  3. Step 3: Cross multiply
    4,178.53x = 5,766.12 × 2,289.73
  4. Step 4: Simplify right side
    4,178.53x = 13,202,857.95
  5. Step 5: Solve for x
    x = 13,202,857.95/4,178.53
  6. Step 6: Final answer
    x = 3,159.69

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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.