Home / 5,718.38-8,578.83-1,822.79

Finding the Fourth Proportional to 5,718.38, 8,578.83 and 1,822.79

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Solution

The fourth proportional to 5,718.38, 8,578.83 and 1,822.79 is: 2,734.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718.38 : 8,578.83 = 1,822.79 : x
  2. Step 2: Convert to fraction form
    5,718.38/8,578.83 = 1,822.79/x
  3. Step 3: Cross multiply
    5,718.38x = 8,578.83 × 1,822.79
  4. Step 4: Simplify right side
    5,718.38x = 15,637,369.48
  5. Step 5: Solve for x
    x = 15,637,369.48/5,718.38
  6. Step 6: Final answer
    x = 2,734.58

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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.