Home / 6,899.41-10,345.94-2,218.55

Finding the Fourth Proportional to 6,899.41, 10,345.94 and 2,218.55

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Solution

The fourth proportional to 6,899.41, 10,345.94 and 2,218.55 is: 3,326.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899.41 : 10,345.94 = 2,218.55 : x
  2. Step 2: Convert to fraction form
    6,899.41/10,345.94 = 2,218.55/x
  3. Step 3: Cross multiply
    6,899.41x = 10,345.94 × 2,218.55
  4. Step 4: Simplify right side
    6,899.41x = 22,952,974.09
  5. Step 5: Solve for x
    x = 22,952,974.09/6,899.41
  6. Step 6: Final answer
    x = 3,326.80

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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.