Home / 6,759.50-10,139.21-1,829.65

Finding the Fourth Proportional to 6,759.50, 10,139.21 and 1,829.65

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Solution

The fourth proportional to 6,759.50, 10,139.21 and 1,829.65 is: 2,744.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,759.50 : 10,139.21 = 1,829.65 : x
  2. Step 2: Convert to fraction form
    6,759.50/10,139.21 = 1,829.65/x
  3. Step 3: Cross multiply
    6,759.50x = 10,139.21 × 1,829.65
  4. Step 4: Simplify right side
    6,759.50x = 18,551,145.73
  5. Step 5: Solve for x
    x = 18,551,145.73/6,759.50
  6. Step 6: Final answer
    x = 2,744.46

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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.