Home / 7,126.65-10,685.31-2,744.55

Finding the Fourth Proportional to 7,126.65, 10,685.31 and 2,744.55

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Solution

The fourth proportional to 7,126.65, 10,685.31 and 2,744.55 is: 4,115.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.65 : 10,685.31 = 2,744.55 : x
  2. Step 2: Convert to fraction form
    7,126.65/10,685.31 = 2,744.55/x
  3. Step 3: Cross multiply
    7,126.65x = 10,685.31 × 2,744.55
  4. Step 4: Simplify right side
    7,126.65x = 29,326,367.56
  5. Step 5: Solve for x
    x = 29,326,367.56/7,126.65
  6. Step 6: Final answer
    x = 4,115.03

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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.