Home / 8,930.12-13,399.74-3,669.17

Finding the Fourth Proportional to 8,930.12, 13,399.74 and 3,669.17

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Solution

The fourth proportional to 8,930.12, 13,399.74 and 3,669.17 is: 5,505.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,930.12 : 13,399.74 = 3,669.17 : x
  2. Step 2: Convert to fraction form
    8,930.12/13,399.74 = 3,669.17/x
  3. Step 3: Cross multiply
    8,930.12x = 13,399.74 × 3,669.17
  4. Step 4: Simplify right side
    8,930.12x = 49,165,893.51
  5. Step 5: Solve for x
    x = 49,165,893.51/8,930.12
  6. Step 6: Final answer
    x = 5,505.63

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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.