Home / 7,324.04-10,987.92-2,129.91

Finding the Fourth Proportional to 7,324.04, 10,987.92 and 2,129.91

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Solution

The fourth proportional to 7,324.04, 10,987.92 and 2,129.91 is: 3,195.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,324.04 : 10,987.92 = 2,129.91 : x
  2. Step 2: Convert to fraction form
    7,324.04/10,987.92 = 2,129.91/x
  3. Step 3: Cross multiply
    7,324.04x = 10,987.92 × 2,129.91
  4. Step 4: Simplify right side
    7,324.04x = 23,403,280.69
  5. Step 5: Solve for x
    x = 23,403,280.69/7,324.04
  6. Step 6: Final answer
    x = 3,195.41

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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.