Home / 8,604.28-12,898.20-2,756.89

Finding the Fourth Proportional to 8,604.28, 12,898.20 and 2,756.89

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Solution

The fourth proportional to 8,604.28, 12,898.20 and 2,756.89 is: 4,132.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,604.28 : 12,898.20 = 2,756.89 : x
  2. Step 2: Convert to fraction form
    8,604.28/12,898.20 = 2,756.89/x
  3. Step 3: Cross multiply
    8,604.28x = 12,898.20 × 2,756.89
  4. Step 4: Simplify right side
    8,604.28x = 35,558,918.60
  5. Step 5: Solve for x
    x = 35,558,918.60/8,604.28
  6. Step 6: Final answer
    x = 4,132.70

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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.