Home / 6,920.94-10,381.42-1,726.82

Finding the Fourth Proportional to 6,920.94, 10,381.42 and 1,726.82

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Solution

The fourth proportional to 6,920.94, 10,381.42 and 1,726.82 is: 2,590.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920.94 : 10,381.42 = 1,726.82 : x
  2. Step 2: Convert to fraction form
    6,920.94/10,381.42 = 1,726.82/x
  3. Step 3: Cross multiply
    6,920.94x = 10,381.42 × 1,726.82
  4. Step 4: Simplify right side
    6,920.94x = 17,926,843.68
  5. Step 5: Solve for x
    x = 17,926,843.68/6,920.94
  6. Step 6: Final answer
    x = 2,590.23

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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.