Home / 9,178.31-13,768.45-2,936.08

Finding the Fourth Proportional to 9,178.31, 13,768.45 and 2,936.08

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Solution

The fourth proportional to 9,178.31, 13,768.45 and 2,936.08 is: 4,404.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,178.31 : 13,768.45 = 2,936.08 : x
  2. Step 2: Convert to fraction form
    9,178.31/13,768.45 = 2,936.08/x
  3. Step 3: Cross multiply
    9,178.31x = 13,768.45 × 2,936.08
  4. Step 4: Simplify right side
    9,178.31x = 40,425,280.55
  5. Step 5: Solve for x
    x = 40,425,280.55/9,178.31
  6. Step 6: Final answer
    x = 4,404.43

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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.