Home / 8,954.66-13,438.14-3,690.02

Finding the Fourth Proportional to 8,954.66, 13,438.14 and 3,690.02

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Solution

The fourth proportional to 8,954.66, 13,438.14 and 3,690.02 is: 5,537.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,954.66 : 13,438.14 = 3,690.02 : x
  2. Step 2: Convert to fraction form
    8,954.66/13,438.14 = 3,690.02/x
  3. Step 3: Cross multiply
    8,954.66x = 13,438.14 × 3,690.02
  4. Step 4: Simplify right side
    8,954.66x = 49,587,005.36
  5. Step 5: Solve for x
    x = 49,587,005.36/8,954.66
  6. Step 6: Final answer
    x = 5,537.56

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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.