Home / 9,121.48-13,684.04-2,882.44

Finding the Fourth Proportional to 9,121.48, 13,684.04 and 2,882.44

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Solution

The fourth proportional to 9,121.48, 13,684.04 and 2,882.44 is: 4,324.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,121.48 : 13,684.04 = 2,882.44 : x
  2. Step 2: Convert to fraction form
    9,121.48/13,684.04 = 2,882.44/x
  3. Step 3: Cross multiply
    9,121.48x = 13,684.04 × 2,882.44
  4. Step 4: Simplify right side
    9,121.48x = 39,443,424.26
  5. Step 5: Solve for x
    x = 39,443,424.26/9,121.48
  6. Step 6: Final answer
    x = 4,324.24

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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.