Home / 8,166.72-12,250.89-3,785.43

Finding the Fourth Proportional to 8,166.72, 12,250.89 and 3,785.43

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Solution

The fourth proportional to 8,166.72, 12,250.89 and 3,785.43 is: 5,678.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,166.72 : 12,250.89 = 3,785.43 : x
  2. Step 2: Convert to fraction form
    8,166.72/12,250.89 = 3,785.43/x
  3. Step 3: Cross multiply
    8,166.72x = 12,250.89 × 3,785.43
  4. Step 4: Simplify right side
    8,166.72x = 46,374,886.53
  5. Step 5: Solve for x
    x = 46,374,886.53/8,166.72
  6. Step 6: Final answer
    x = 5,678.52

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1.5x scale

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.