Home / 5,359.32-8,028.78-2,577.78

Finding the Fourth Proportional to 5,359.32, 8,028.78 and 2,577.78

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Solution

The fourth proportional to 5,359.32, 8,028.78 and 2,577.78 is: 3,861.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,359.32 : 8,028.78 = 2,577.78 : x
  2. Step 2: Convert to fraction form
    5,359.32/8,028.78 = 2,577.78/x
  3. Step 3: Cross multiply
    5,359.32x = 8,028.78 × 2,577.78
  4. Step 4: Simplify right side
    5,359.32x = 20,696,428.51
  5. Step 5: Solve for x
    x = 20,696,428.51/5,359.32
  6. Step 6: Final answer
    x = 3,861.76

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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.