Home / 8,948.24-13,422.37-3,400.28

Finding the Fourth Proportional to 8,948.24, 13,422.37 and 3,400.28

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Solution

The fourth proportional to 8,948.24, 13,422.37 and 3,400.28 is: 5,100.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,948.24 : 13,422.37 = 3,400.28 : x
  2. Step 2: Convert to fraction form
    8,948.24/13,422.37 = 3,400.28/x
  3. Step 3: Cross multiply
    8,948.24x = 13,422.37 × 3,400.28
  4. Step 4: Simplify right side
    8,948.24x = 45,639,816.26
  5. Step 5: Solve for x
    x = 45,639,816.26/8,948.24
  6. Step 6: Final answer
    x = 5,100.42

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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.