Home / 8,830.40-13,242.20-3,761.37

Finding the Fourth Proportional to 8,830.40, 13,242.20 and 3,761.37

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Solution

The fourth proportional to 8,830.40, 13,242.20 and 3,761.37 is: 5,640.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,830.40 : 13,242.20 = 3,761.37 : x
  2. Step 2: Convert to fraction form
    8,830.40/13,242.20 = 3,761.37/x
  3. Step 3: Cross multiply
    8,830.40x = 13,242.20 × 3,761.37
  4. Step 4: Simplify right side
    8,830.40x = 49,808,795.01
  5. Step 5: Solve for x
    x = 49,808,795.01/8,830.40
  6. Step 6: Final answer
    x = 5,640.61

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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.