Home / 7,324.29-10,986.57-2,130.30

Finding the Fourth Proportional to 7,324.29, 10,986.57 and 2,130.30

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Solution

The fourth proportional to 7,324.29, 10,986.57 and 2,130.30 is: 3,195.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,324.29 : 10,986.57 = 2,130.30 : x
  2. Step 2: Convert to fraction form
    7,324.29/10,986.57 = 2,130.30/x
  3. Step 3: Cross multiply
    7,324.29x = 10,986.57 × 2,130.30
  4. Step 4: Simplify right side
    7,324.29x = 23,404,690.07
  5. Step 5: Solve for x
    x = 23,404,690.07/7,324.29
  6. Step 6: Final answer
    x = 3,195.49

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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.