Home / 6,711.61-10,067.43-1,781.65

Finding the Fourth Proportional to 6,711.61, 10,067.43 and 1,781.65

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Solution

The fourth proportional to 6,711.61, 10,067.43 and 1,781.65 is: 2,672.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,711.61 : 10,067.43 = 1,781.65 : x
  2. Step 2: Convert to fraction form
    6,711.61/10,067.43 = 1,781.65/x
  3. Step 3: Cross multiply
    6,711.61x = 10,067.43 × 1,781.65
  4. Step 4: Simplify right side
    6,711.61x = 17,936,636.66
  5. Step 5: Solve for x
    x = 17,936,636.66/6,711.61
  6. Step 6: Final answer
    x = 2,672.48

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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.