Home / 5,696.30-8,545.49-2,577.78

Finding the Fourth Proportional to 5,696.30, 8,545.49 and 2,577.78

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Solution

The fourth proportional to 5,696.30, 8,545.49 and 2,577.78 is: 3,867.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,696.30 : 8,545.49 = 2,577.78 : x
  2. Step 2: Convert to fraction form
    5,696.30/8,545.49 = 2,577.78/x
  3. Step 3: Cross multiply
    5,696.30x = 8,545.49 × 2,577.78
  4. Step 4: Simplify right side
    5,696.30x = 22,028,389.99
  5. Step 5: Solve for x
    x = 22,028,389.99/5,696.30
  6. Step 6: Final answer
    x = 3,867.14

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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.