Home / 7,326.22-10,111.07-4,139.65

Finding the Fourth Proportional to 7,326.22, 10,111.07 and 4,139.65

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Solution

The fourth proportional to 7,326.22, 10,111.07 and 4,139.65 is: 5,713.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,326.22 : 10,111.07 = 4,139.65 : x
  2. Step 2: Convert to fraction form
    7,326.22/10,111.07 = 4,139.65/x
  3. Step 3: Cross multiply
    7,326.22x = 10,111.07 × 4,139.65
  4. Step 4: Simplify right side
    7,326.22x = 41,856,290.93
  5. Step 5: Solve for x
    x = 41,856,290.93/7,326.22
  6. Step 6: Final answer
    x = 5,713.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.