Home / 7,324.38-10,986.84-2,130.12

Finding the Fourth Proportional to 7,324.38, 10,986.84 and 2,130.12

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Solution

The fourth proportional to 7,324.38, 10,986.84 and 2,130.12 is: 3,195.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,324.38 : 10,986.84 = 2,130.12 : x
  2. Step 2: Convert to fraction form
    7,324.38/10,986.84 = 2,130.12/x
  3. Step 3: Cross multiply
    7,324.38x = 10,986.84 × 2,130.12
  4. Step 4: Simplify right side
    7,324.38x = 23,403,287.62
  5. Step 5: Solve for x
    x = 23,403,287.62/7,324.38
  6. Step 6: Final answer
    x = 3,195.26

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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.