Home / 6,767.09-10,151.59-2,087.48

Finding the Fourth Proportional to 6,767.09, 10,151.59 and 2,087.48

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Solution

The fourth proportional to 6,767.09, 10,151.59 and 2,087.48 is: 3,131.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,767.09 : 10,151.59 = 2,087.48 : x
  2. Step 2: Convert to fraction form
    6,767.09/10,151.59 = 2,087.48/x
  3. Step 3: Cross multiply
    6,767.09x = 10,151.59 × 2,087.48
  4. Step 4: Simplify right side
    6,767.09x = 21,191,241.09
  5. Step 5: Solve for x
    x = 21,191,241.09/6,767.09
  6. Step 6: Final answer
    x = 3,131.51

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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.