Home / 9,324.78-13,987.38-3,480.24

Finding the Fourth Proportional to 9,324.78, 13,987.38 and 3,480.24

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Solution

The fourth proportional to 9,324.78, 13,987.38 and 3,480.24 is: 5,220.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,324.78 : 13,987.38 = 3,480.24 : x
  2. Step 2: Convert to fraction form
    9,324.78/13,987.38 = 3,480.24/x
  3. Step 3: Cross multiply
    9,324.78x = 13,987.38 × 3,480.24
  4. Step 4: Simplify right side
    9,324.78x = 48,679,439.37
  5. Step 5: Solve for x
    x = 48,679,439.37/9,324.78
  6. Step 6: Final answer
    x = 5,220.44

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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.