Home / 8,945.28-13,415.88-3,399.24

Finding the Fourth Proportional to 8,945.28, 13,415.88 and 3,399.24

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Solution

The fourth proportional to 8,945.28, 13,415.88 and 3,399.24 is: 5,098.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,945.28 : 13,415.88 = 3,399.24 : x
  2. Step 2: Convert to fraction form
    8,945.28/13,415.88 = 3,399.24/x
  3. Step 3: Cross multiply
    8,945.28x = 13,415.88 × 3,399.24
  4. Step 4: Simplify right side
    8,945.28x = 45,603,795.93
  5. Step 5: Solve for x
    x = 45,603,795.93/8,945.28
  6. Step 6: Final answer
    x = 5,098.08

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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.