Home / 8,504.28-12,756.07-2,958.88

Finding the Fourth Proportional to 8,504.28, 12,756.07 and 2,958.88

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Solution

The fourth proportional to 8,504.28, 12,756.07 and 2,958.88 is: 4,438.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,504.28 : 12,756.07 = 2,958.88 : x
  2. Step 2: Convert to fraction form
    8,504.28/12,756.07 = 2,958.88/x
  3. Step 3: Cross multiply
    8,504.28x = 12,756.07 × 2,958.88
  4. Step 4: Simplify right side
    8,504.28x = 37,743,680.40
  5. Step 5: Solve for x
    x = 37,743,680.40/8,504.28
  6. Step 6: Final answer
    x = 4,438.20

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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.