Home / 8,349.33-12,528.86-3,155.61

Finding the Fourth Proportional to 8,349.33, 12,528.86 and 3,155.61

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Solution

The fourth proportional to 8,349.33, 12,528.86 and 3,155.61 is: 4,735.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,349.33 : 12,528.86 = 3,155.61 : x
  2. Step 2: Convert to fraction form
    8,349.33/12,528.86 = 3,155.61/x
  3. Step 3: Cross multiply
    8,349.33x = 12,528.86 × 3,155.61
  4. Step 4: Simplify right side
    8,349.33x = 39,536,195.90
  5. Step 5: Solve for x
    x = 39,536,195.90/8,349.33
  6. Step 6: Final answer
    x = 4,735.25

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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.