Home / 4,472.28-6,707.79-1,185.66

Finding the Fourth Proportional to 4,472.28, 6,707.79 and 1,185.66

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Solution

The fourth proportional to 4,472.28, 6,707.79 and 1,185.66 is: 1,778.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,472.28 : 6,707.79 = 1,185.66 : x
  2. Step 2: Convert to fraction form
    4,472.28/6,707.79 = 1,185.66/x
  3. Step 3: Cross multiply
    4,472.28x = 6,707.79 × 1,185.66
  4. Step 4: Simplify right side
    4,472.28x = 7,953,158.29
  5. Step 5: Solve for x
    x = 7,953,158.29/4,472.28
  6. Step 6: Final answer
    x = 1,778.32

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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.