Home / 8,448.82-11,660.20-4,672.87

Finding the Fourth Proportional to 8,448.82, 11,660.20 and 4,672.87

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Solution

The fourth proportional to 8,448.82, 11,660.20 and 4,672.87 is: 6,449.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448.82 : 11,660.20 = 4,672.87 : x
  2. Step 2: Convert to fraction form
    8,448.82/11,660.20 = 4,672.87/x
  3. Step 3: Cross multiply
    8,448.82x = 11,660.20 × 4,672.87
  4. Step 4: Simplify right side
    8,448.82x = 54,486,557.94
  5. Step 5: Solve for x
    x = 54,486,557.94/8,448.82
  6. Step 6: Final answer
    x = 6,449.02

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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.