Home / 7,326.06-10,986.80-2,645.46

Finding the Fourth Proportional to 7,326.06, 10,986.80 and 2,645.46

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Solution

The fourth proportional to 7,326.06, 10,986.80 and 2,645.46 is: 3,967.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,326.06 : 10,986.80 = 2,645.46 : x
  2. Step 2: Convert to fraction form
    7,326.06/10,986.80 = 2,645.46/x
  3. Step 3: Cross multiply
    7,326.06x = 10,986.80 × 2,645.46
  4. Step 4: Simplify right side
    7,326.06x = 29,065,103.24
  5. Step 5: Solve for x
    x = 29,065,103.24/7,326.06
  6. Step 6: Final answer
    x = 3,967.36

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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.