Home / 8,685.68-13,029.24-3,755.44

Finding the Fourth Proportional to 8,685.68, 13,029.24 and 3,755.44

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Solution

The fourth proportional to 8,685.68, 13,029.24 and 3,755.44 is: 5,633.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685.68 : 13,029.24 = 3,755.44 : x
  2. Step 2: Convert to fraction form
    8,685.68/13,029.24 = 3,755.44/x
  3. Step 3: Cross multiply
    8,685.68x = 13,029.24 × 3,755.44
  4. Step 4: Simplify right side
    8,685.68x = 48,930,529.07
  5. Step 5: Solve for x
    x = 48,930,529.07/8,685.68
  6. Step 6: Final answer
    x = 5,633.47

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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.