Home / 6,891.66-10,334.97-2,387.57

Finding the Fourth Proportional to 6,891.66, 10,334.97 and 2,387.57

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Solution

The fourth proportional to 6,891.66, 10,334.97 and 2,387.57 is: 3,580.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,891.66 : 10,334.97 = 2,387.57 : x
  2. Step 2: Convert to fraction form
    6,891.66/10,334.97 = 2,387.57/x
  3. Step 3: Cross multiply
    6,891.66x = 10,334.97 × 2,387.57
  4. Step 4: Simplify right side
    6,891.66x = 24,675,412.65
  5. Step 5: Solve for x
    x = 24,675,412.65/6,891.66
  6. Step 6: Final answer
    x = 3,580.47

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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.