Home / 6,770.31-10,155.42-1,839.90

Finding the Fourth Proportional to 6,770.31, 10,155.42 and 1,839.90

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Solution

The fourth proportional to 6,770.31, 10,155.42 and 1,839.90 is: 2,759.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,770.31 : 10,155.42 = 1,839.90 : x
  2. Step 2: Convert to fraction form
    6,770.31/10,155.42 = 1,839.90/x
  3. Step 3: Cross multiply
    6,770.31x = 10,155.42 × 1,839.90
  4. Step 4: Simplify right side
    6,770.31x = 18,684,957.26
  5. Step 5: Solve for x
    x = 18,684,957.26/6,770.31
  6. Step 6: Final answer
    x = 2,759.84

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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.