Home / 8,236.35-11,359.24-6,345.81

Finding the Fourth Proportional to 8,236.35, 11,359.24 and 6,345.81

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Solution

The fourth proportional to 8,236.35, 11,359.24 and 6,345.81 is: 8,751.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,236.35 : 11,359.24 = 6,345.81 : x
  2. Step 2: Convert to fraction form
    8,236.35/11,359.24 = 6,345.81/x
  3. Step 3: Cross multiply
    8,236.35x = 11,359.24 × 6,345.81
  4. Step 4: Simplify right side
    8,236.35x = 72,083,562.92
  5. Step 5: Solve for x
    x = 72,083,562.92/8,236.35
  6. Step 6: Final answer
    x = 8,751.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.