Home / 6,926.98-10,382.77-5,278.09

Finding the Fourth Proportional to 6,926.98, 10,382.77 and 5,278.09

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Solution

The fourth proportional to 6,926.98, 10,382.77 and 5,278.09 is: 7,911.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,926.98 : 10,382.77 = 5,278.09 : x
  2. Step 2: Convert to fraction form
    6,926.98/10,382.77 = 5,278.09/x
  3. Step 3: Cross multiply
    6,926.98x = 10,382.77 × 5,278.09
  4. Step 4: Simplify right side
    6,926.98x = 54,801,194.51
  5. Step 5: Solve for x
    x = 54,801,194.51/6,926.98
  6. Step 6: Final answer
    x = 7,911.27

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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.