Home / 8,308.33-12,464.90-2,685.88

Finding the Fourth Proportional to 8,308.33, 12,464.90 and 2,685.88

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Solution

The fourth proportional to 8,308.33, 12,464.90 and 2,685.88 is: 4,029.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308.33 : 12,464.90 = 2,685.88 : x
  2. Step 2: Convert to fraction form
    8,308.33/12,464.90 = 2,685.88/x
  3. Step 3: Cross multiply
    8,308.33x = 12,464.90 × 2,685.88
  4. Step 4: Simplify right side
    8,308.33x = 33,479,225.61
  5. Step 5: Solve for x
    x = 33,479,225.61/8,308.33
  6. Step 6: Final answer
    x = 4,029.60

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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.