Home / 8,735.40-13,108.47-3,469.53

Finding the Fourth Proportional to 8,735.40, 13,108.47 and 3,469.53

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Solution

The fourth proportional to 8,735.40, 13,108.47 and 3,469.53 is: 5,206.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,735.40 : 13,108.47 = 3,469.53 : x
  2. Step 2: Convert to fraction form
    8,735.40/13,108.47 = 3,469.53/x
  3. Step 3: Cross multiply
    8,735.40x = 13,108.47 × 3,469.53
  4. Step 4: Simplify right side
    8,735.40x = 45,480,229.92
  5. Step 5: Solve for x
    x = 45,480,229.92/8,735.40
  6. Step 6: Final answer
    x = 5,206.43

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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.