Home / 5,718.05-8,578.29-1,769.57

Finding the Fourth Proportional to 5,718.05, 8,578.29 and 1,769.57

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Solution

The fourth proportional to 5,718.05, 8,578.29 and 1,769.57 is: 2,654.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718.05 : 8,578.29 = 1,769.57 : x
  2. Step 2: Convert to fraction form
    5,718.05/8,578.29 = 1,769.57/x
  3. Step 3: Cross multiply
    5,718.05x = 8,578.29 × 1,769.57
  4. Step 4: Simplify right side
    5,718.05x = 15,179,884.64
  5. Step 5: Solve for x
    x = 15,179,884.64/5,718.05
  6. Step 6: Final answer
    x = 2,654.73

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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.