Home / 8,551.32-12,829.68-2,708.16

Finding the Fourth Proportional to 8,551.32, 12,829.68 and 2,708.16

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Solution

The fourth proportional to 8,551.32, 12,829.68 and 2,708.16 is: 4,063.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,551.32 : 12,829.68 = 2,708.16 : x
  2. Step 2: Convert to fraction form
    8,551.32/12,829.68 = 2,708.16/x
  3. Step 3: Cross multiply
    8,551.32x = 12,829.68 × 2,708.16
  4. Step 4: Simplify right side
    8,551.32x = 34,744,826.19
  5. Step 5: Solve for x
    x = 34,744,826.19/8,551.32
  6. Step 6: Final answer
    x = 4,063.10

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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.