Home / 8,743.72-13,119.81-4,361.80

Finding the Fourth Proportional to 8,743.72, 13,119.81 and 4,361.80

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Solution

The fourth proportional to 8,743.72, 13,119.81 and 4,361.80 is: 6,544.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,743.72 : 13,119.81 = 4,361.80 : x
  2. Step 2: Convert to fraction form
    8,743.72/13,119.81 = 4,361.80/x
  3. Step 3: Cross multiply
    8,743.72x = 13,119.81 × 4,361.80
  4. Step 4: Simplify right side
    8,743.72x = 57,225,987.26
  5. Step 5: Solve for x
    x = 57,225,987.26/8,743.72
  6. Step 6: Final answer
    x = 6,544.81

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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.