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Finding the Fourth Proportional to 8,807.92, 13,212.06 and 2,568.40

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Solution

The fourth proportional to 8,807.92, 13,212.06 and 2,568.40 is: 3,852.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,807.92 : 13,212.06 = 2,568.40 : x
  2. Step 2: Convert to fraction form
    8,807.92/13,212.06 = 2,568.40/x
  3. Step 3: Cross multiply
    8,807.92x = 13,212.06 × 2,568.40
  4. Step 4: Simplify right side
    8,807.92x = 33,933,854.90
  5. Step 5: Solve for x
    x = 33,933,854.90/8,807.92
  6. Step 6: Final answer
    x = 3,852.65

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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.