Home / 8,977.67-13,469.75-3,135.14

Finding the Fourth Proportional to 8,977.67, 13,469.75 and 3,135.14

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Solution

The fourth proportional to 8,977.67, 13,469.75 and 3,135.14 is: 4,703.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,977.67 : 13,469.75 = 3,135.14 : x
  2. Step 2: Convert to fraction form
    8,977.67/13,469.75 = 3,135.14/x
  3. Step 3: Cross multiply
    8,977.67x = 13,469.75 × 3,135.14
  4. Step 4: Simplify right side
    8,977.67x = 42,229,536.34
  5. Step 5: Solve for x
    x = 42,229,536.34/8,977.67
  6. Step 6: Final answer
    x = 4,703.84

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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.