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Finding the Fourth Proportional to 5,718.95, 8,578.42 and 1,823.25

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Solution

The fourth proportional to 5,718.95, 8,578.42 and 1,823.25 is: 2,734.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718.95 : 8,578.42 = 1,823.25 : x
  2. Step 2: Convert to fraction form
    5,718.95/8,578.42 = 1,823.25/x
  3. Step 3: Cross multiply
    5,718.95x = 8,578.42 × 1,823.25
  4. Step 4: Simplify right side
    5,718.95x = 15,640,599.71
  5. Step 5: Solve for x
    x = 15,640,599.71/5,718.95
  6. Step 6: Final answer
    x = 2,734.88

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Similar ratio
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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.