Home / 6,759.75-10,139.58-1,829.90

Finding the Fourth Proportional to 6,759.75, 10,139.58 and 1,829.90

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Solution

The fourth proportional to 6,759.75, 10,139.58 and 1,829.90 is: 2,744.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,759.75 : 10,139.58 = 1,829.90 : x
  2. Step 2: Convert to fraction form
    6,759.75/10,139.58 = 1,829.90/x
  3. Step 3: Cross multiply
    6,759.75x = 10,139.58 × 1,829.90
  4. Step 4: Simplify right side
    6,759.75x = 18,554,366.74
  5. Step 5: Solve for x
    x = 18,554,366.74/6,759.75
  6. Step 6: Final answer
    x = 2,744.83

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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.