Home / 8,948.11-13,420.30-3,399.51

Finding the Fourth Proportional to 8,948.11, 13,420.30 and 3,399.51

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Solution

The fourth proportional to 8,948.11, 13,420.30 and 3,399.51 is: 5,098.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,948.11 : 13,420.30 = 3,399.51 : x
  2. Step 2: Convert to fraction form
    8,948.11/13,420.30 = 3,399.51/x
  3. Step 3: Cross multiply
    8,948.11x = 13,420.30 × 3,399.51
  4. Step 4: Simplify right side
    8,948.11x = 45,622,427.06
  5. Step 5: Solve for x
    x = 45,622,427.06/8,948.11
  6. Step 6: Final answer
    x = 5,098.56

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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.