Home / 8,910.18-13,372.71-3,070.89

Finding the Fourth Proportional to 8,910.18, 13,372.71 and 3,070.89

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Solution

The fourth proportional to 8,910.18, 13,372.71 and 3,070.89 is: 4,608.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910.18 : 13,372.71 = 3,070.89 : x
  2. Step 2: Convert to fraction form
    8,910.18/13,372.71 = 3,070.89/x
  3. Step 3: Cross multiply
    8,910.18x = 13,372.71 × 3,070.89
  4. Step 4: Simplify right side
    8,910.18x = 41,066,121.41
  5. Step 5: Solve for x
    x = 41,066,121.41/8,910.18
  6. Step 6: Final answer
    x = 4,608.90

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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.