Home / 5,718.28-8,577.78-2,209.96

Finding the Fourth Proportional to 5,718.28, 8,577.78 and 2,209.96

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Solution

The fourth proportional to 5,718.28, 8,577.78 and 2,209.96 is: 3,315.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718.28 : 8,577.78 = 2,209.96 : x
  2. Step 2: Convert to fraction form
    5,718.28/8,577.78 = 2,209.96/x
  3. Step 3: Cross multiply
    5,718.28x = 8,577.78 × 2,209.96
  4. Step 4: Simplify right side
    5,718.28x = 18,956,550.69
  5. Step 5: Solve for x
    x = 18,956,550.69/5,718.28
  6. Step 6: Final answer
    x = 3,315.08

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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.