Home / 8,351.13-11,516.61-4,993.41

Finding the Fourth Proportional to 8,351.13, 11,516.61 and 4,993.41

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Solution

The fourth proportional to 8,351.13, 11,516.61 and 4,993.41 is: 6,886.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,351.13 : 11,516.61 = 4,993.41 : x
  2. Step 2: Convert to fraction form
    8,351.13/11,516.61 = 4,993.41/x
  3. Step 3: Cross multiply
    8,351.13x = 11,516.61 × 4,993.41
  4. Step 4: Simplify right side
    8,351.13x = 57,507,217.45
  5. Step 5: Solve for x
    x = 57,507,217.45/8,351.13
  6. Step 6: Final answer
    x = 6,886.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.