Home / 8,975.81-13,465.54-3,781.69

Finding the Fourth Proportional to 8,975.81, 13,465.54 and 3,781.69

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Solution

The fourth proportional to 8,975.81, 13,465.54 and 3,781.69 is: 5,673.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,975.81 : 13,465.54 = 3,781.69 : x
  2. Step 2: Convert to fraction form
    8,975.81/13,465.54 = 3,781.69/x
  3. Step 3: Cross multiply
    8,975.81x = 13,465.54 × 3,781.69
  4. Step 4: Simplify right side
    8,975.81x = 50,922,469.03
  5. Step 5: Solve for x
    x = 50,922,469.03/8,975.81
  6. Step 6: Final answer
    x = 5,673.30

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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.