Home / 8,238.52-12,357.77-3,308.15

Finding the Fourth Proportional to 8,238.52, 12,357.77 and 3,308.15

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Solution

The fourth proportional to 8,238.52, 12,357.77 and 3,308.15 is: 4,962.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,238.52 : 12,357.77 = 3,308.15 : x
  2. Step 2: Convert to fraction form
    8,238.52/12,357.77 = 3,308.15/x
  3. Step 3: Cross multiply
    8,238.52x = 12,357.77 × 3,308.15
  4. Step 4: Simplify right side
    8,238.52x = 40,881,383.58
  5. Step 5: Solve for x
    x = 40,881,383.58/8,238.52
  6. Step 6: Final answer
    x = 4,962.23

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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.