Home / 8,137.52-12,204.91-2,292.76

Finding the Fourth Proportional to 8,137.52, 12,204.91 and 2,292.76

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Solution

The fourth proportional to 8,137.52, 12,204.91 and 2,292.76 is: 3,438.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,137.52 : 12,204.91 = 2,292.76 : x
  2. Step 2: Convert to fraction form
    8,137.52/12,204.91 = 2,292.76/x
  3. Step 3: Cross multiply
    8,137.52x = 12,204.91 × 2,292.76
  4. Step 4: Simplify right side
    8,137.52x = 27,982,929.45
  5. Step 5: Solve for x
    x = 27,982,929.45/8,137.52
  6. Step 6: Final answer
    x = 3,438.75

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1.5x scale

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.