Home / 8,364.08-11,532.34-7,227.72

Finding the Fourth Proportional to 8,364.08, 11,532.34 and 7,227.72

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Solution

The fourth proportional to 8,364.08, 11,532.34 and 7,227.72 is: 9,965.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,364.08 : 11,532.34 = 7,227.72 : x
  2. Step 2: Convert to fraction form
    8,364.08/11,532.34 = 7,227.72/x
  3. Step 3: Cross multiply
    8,364.08x = 11,532.34 × 7,227.72
  4. Step 4: Simplify right side
    8,364.08x = 83,352,524.46
  5. Step 5: Solve for x
    x = 83,352,524.46/8,364.08
  6. Step 6: Final answer
    x = 9,965.53

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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.