Home / 7,326.04-10,990.14-2,131.24

Finding the Fourth Proportional to 7,326.04, 10,990.14 and 2,131.24

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Solution

The fourth proportional to 7,326.04, 10,990.14 and 2,131.24 is: 3,197.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,326.04 : 10,990.14 = 2,131.24 : x
  2. Step 2: Convert to fraction form
    7,326.04/10,990.14 = 2,131.24/x
  3. Step 3: Cross multiply
    7,326.04x = 10,990.14 × 2,131.24
  4. Step 4: Simplify right side
    7,326.04x = 23,422,625.97
  5. Step 5: Solve for x
    x = 23,422,625.97/7,326.04
  6. Step 6: Final answer
    x = 3,197.17

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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.