Home / 4,429.75-6,643.94-1,142.73

Finding the Fourth Proportional to 4,429.75, 6,643.94 and 1,142.73

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Solution

The fourth proportional to 4,429.75, 6,643.94 and 1,142.73 is: 1,713.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,429.75 : 6,643.94 = 1,142.73 : x
  2. Step 2: Convert to fraction form
    4,429.75/6,643.94 = 1,142.73/x
  3. Step 3: Cross multiply
    4,429.75x = 6,643.94 × 1,142.73
  4. Step 4: Simplify right side
    4,429.75x = 7,592,229.56
  5. Step 5: Solve for x
    x = 7,592,229.56/4,429.75
  6. Step 6: Final answer
    x = 1,713.92

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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.