Home / 8,305.08-12,458.61-2,759.01

Finding the Fourth Proportional to 8,305.08, 12,458.61 and 2,759.01

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Solution

The fourth proportional to 8,305.08, 12,458.61 and 2,759.01 is: 4,138.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305.08 : 12,458.61 = 2,759.01 : x
  2. Step 2: Convert to fraction form
    8,305.08/12,458.61 = 2,759.01/x
  3. Step 3: Cross multiply
    8,305.08x = 12,458.61 × 2,759.01
  4. Step 4: Simplify right side
    8,305.08x = 34,373,429.58
  5. Step 5: Solve for x
    x = 34,373,429.58/8,305.08
  6. Step 6: Final answer
    x = 4,138.84

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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.