Home / 8,724.92-13,087.14-2,801.76

Finding the Fourth Proportional to 8,724.92, 13,087.14 and 2,801.76

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Solution

The fourth proportional to 8,724.92, 13,087.14 and 2,801.76 is: 4,202.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724.92 : 13,087.14 = 2,801.76 : x
  2. Step 2: Convert to fraction form
    8,724.92/13,087.14 = 2,801.76/x
  3. Step 3: Cross multiply
    8,724.92x = 13,087.14 × 2,801.76
  4. Step 4: Simplify right side
    8,724.92x = 36,667,025.37
  5. Step 5: Solve for x
    x = 36,667,025.37/8,724.92
  6. Step 6: Final answer
    x = 4,202.56

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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.