Home / 5,776.41-8,668.45-3,144.57

Finding the Fourth Proportional to 5,776.41, 8,668.45 and 3,144.57

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Solution

The fourth proportional to 5,776.41, 8,668.45 and 3,144.57 is: 4,718.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,776.41 : 8,668.45 = 3,144.57 : x
  2. Step 2: Convert to fraction form
    5,776.41/8,668.45 = 3,144.57/x
  3. Step 3: Cross multiply
    5,776.41x = 8,668.45 × 3,144.57
  4. Step 4: Simplify right side
    5,776.41x = 27,258,569.49
  5. Step 5: Solve for x
    x = 27,258,569.49/5,776.41
  6. Step 6: Final answer
    x = 4,718.95

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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.