Home / 4,759.68-7,139.35-1,249.66

Finding the Fourth Proportional to 4,759.68, 7,139.35 and 1,249.66

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Solution

The fourth proportional to 4,759.68, 7,139.35 and 1,249.66 is: 1,874.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,759.68 : 7,139.35 = 1,249.66 : x
  2. Step 2: Convert to fraction form
    4,759.68/7,139.35 = 1,249.66/x
  3. Step 3: Cross multiply
    4,759.68x = 7,139.35 × 1,249.66
  4. Step 4: Simplify right side
    4,759.68x = 8,921,737.59
  5. Step 5: Solve for x
    x = 8,921,737.59/4,759.68
  6. Step 6: Final answer
    x = 1,874.44

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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.