Home / 8,156.70-12,236.22-3,775.32

Finding the Fourth Proportional to 8,156.70, 12,236.22 and 3,775.32

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Solution

The fourth proportional to 8,156.70, 12,236.22 and 3,775.32 is: 5,663.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156.70 : 12,236.22 = 3,775.32 : x
  2. Step 2: Convert to fraction form
    8,156.70/12,236.22 = 3,775.32/x
  3. Step 3: Cross multiply
    8,156.70x = 12,236.22 × 3,775.32
  4. Step 4: Simplify right side
    8,156.70x = 46,195,646.09
  5. Step 5: Solve for x
    x = 46,195,646.09/8,156.70
  6. Step 6: Final answer
    x = 5,663.52

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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.