Home / 9,161.64-13,742.37-3,617.55

Finding the Fourth Proportional to 9,161.64, 13,742.37 and 3,617.55

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Solution

The fourth proportional to 9,161.64, 13,742.37 and 3,617.55 is: 5,426.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,161.64 : 13,742.37 = 3,617.55 : x
  2. Step 2: Convert to fraction form
    9,161.64/13,742.37 = 3,617.55/x
  3. Step 3: Cross multiply
    9,161.64x = 13,742.37 × 3,617.55
  4. Step 4: Simplify right side
    9,161.64x = 49,713,710.59
  5. Step 5: Solve for x
    x = 49,713,710.59/9,161.64
  6. Step 6: Final answer
    x = 5,426.29

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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.