Home / 6,770.12-10,155.13-1,839.74

Finding the Fourth Proportional to 6,770.12, 10,155.13 and 1,839.74

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Solution

The fourth proportional to 6,770.12, 10,155.13 and 1,839.74 is: 2,759.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,770.12 : 10,155.13 = 1,839.74 : x
  2. Step 2: Convert to fraction form
    6,770.12/10,155.13 = 1,839.74/x
  3. Step 3: Cross multiply
    6,770.12x = 10,155.13 × 1,839.74
  4. Step 4: Simplify right side
    6,770.12x = 18,682,743.49
  5. Step 5: Solve for x
    x = 18,682,743.49/6,770.12
  6. Step 6: Final answer
    x = 2,759.59

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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.