Home / 8,217.60-11,332.32-6,958.56

Finding the Fourth Proportional to 8,217.60, 11,332.32 and 6,958.56

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Solution

The fourth proportional to 8,217.60, 11,332.32 and 6,958.56 is: 9,596.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,217.60 : 11,332.32 = 6,958.56 : x
  2. Step 2: Convert to fraction form
    8,217.60/11,332.32 = 6,958.56/x
  3. Step 3: Cross multiply
    8,217.60x = 11,332.32 × 6,958.56
  4. Step 4: Simplify right side
    8,217.60x = 78,856,628.66
  5. Step 5: Solve for x
    x = 78,856,628.66/8,217.60
  6. Step 6: Final answer
    x = 9,596.07

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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.