Home / 8,418.68-12,628.22-3,484.97

Finding the Fourth Proportional to 8,418.68, 12,628.22 and 3,484.97

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Solution

The fourth proportional to 8,418.68, 12,628.22 and 3,484.97 is: 5,227.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418.68 : 12,628.22 = 3,484.97 : x
  2. Step 2: Convert to fraction form
    8,418.68/12,628.22 = 3,484.97/x
  3. Step 3: Cross multiply
    8,418.68x = 12,628.22 × 3,484.97
  4. Step 4: Simplify right side
    8,418.68x = 44,008,887.29
  5. Step 5: Solve for x
    x = 44,008,887.29/8,418.68
  6. Step 6: Final answer
    x = 5,227.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.