Home / 9,101.05-13,654.87-3,178.81

Finding the Fourth Proportional to 9,101.05, 13,654.87 and 3,178.81

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Solution

The fourth proportional to 9,101.05, 13,654.87 and 3,178.81 is: 4,769.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,101.05 : 13,654.87 = 3,178.81 : x
  2. Step 2: Convert to fraction form
    9,101.05/13,654.87 = 3,178.81/x
  3. Step 3: Cross multiply
    9,101.05x = 13,654.87 × 3,178.81
  4. Step 4: Simplify right side
    9,101.05x = 43,406,255.55
  5. Step 5: Solve for x
    x = 43,406,255.55/9,101.05
  6. Step 6: Final answer
    x = 4,769.37

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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.