Home / 9,178.14-13,771.36-3,914.58

Finding the Fourth Proportional to 9,178.14, 13,771.36 and 3,914.58

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Solution

The fourth proportional to 9,178.14, 13,771.36 and 3,914.58 is: 5,873.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,178.14 : 13,771.36 = 3,914.58 : x
  2. Step 2: Convert to fraction form
    9,178.14/13,771.36 = 3,914.58/x
  3. Step 3: Cross multiply
    9,178.14x = 13,771.36 × 3,914.58
  4. Step 4: Simplify right side
    9,178.14x = 53,909,090.43
  5. Step 5: Solve for x
    x = 53,909,090.43/9,178.14
  6. Step 6: Final answer
    x = 5,873.64

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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.