Home / 5,912.28-8,866.44-2,988.72

Finding the Fourth Proportional to 5,912.28, 8,866.44 and 2,988.72

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Solution

The fourth proportional to 5,912.28, 8,866.44 and 2,988.72 is: 4,482.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.28 : 8,866.44 = 2,988.72 : x
  2. Step 2: Convert to fraction form
    5,912.28/8,866.44 = 2,988.72/x
  3. Step 3: Cross multiply
    5,912.28x = 8,866.44 × 2,988.72
  4. Step 4: Simplify right side
    5,912.28x = 26,499,306.56
  5. Step 5: Solve for x
    x = 26,499,306.56/5,912.28
  6. Step 6: Final answer
    x = 4,482.08

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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.