Home / 8,320.35-11,481.57-4,542.76

Finding the Fourth Proportional to 8,320.35, 11,481.57 and 4,542.76

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Solution

The fourth proportional to 8,320.35, 11,481.57 and 4,542.76 is: 6,268.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320.35 : 11,481.57 = 4,542.76 : x
  2. Step 2: Convert to fraction form
    8,320.35/11,481.57 = 4,542.76/x
  3. Step 3: Cross multiply
    8,320.35x = 11,481.57 × 4,542.76
  4. Step 4: Simplify right side
    8,320.35x = 52,158,011.77
  5. Step 5: Solve for x
    x = 52,158,011.77/8,320.35
  6. Step 6: Final answer
    x = 6,268.73

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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.