Home / 9,288.08-13,936.80-3,445.28

Finding the Fourth Proportional to 9,288.08, 13,936.80 and 3,445.28

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Solution

The fourth proportional to 9,288.08, 13,936.80 and 3,445.28 is: 5,169.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,288.08 : 13,936.80 = 3,445.28 : x
  2. Step 2: Convert to fraction form
    9,288.08/13,936.80 = 3,445.28/x
  3. Step 3: Cross multiply
    9,288.08x = 13,936.80 × 3,445.28
  4. Step 4: Simplify right side
    9,288.08x = 48,016,178.30
  5. Step 5: Solve for x
    x = 48,016,178.30/9,288.08
  6. Step 6: Final answer
    x = 5,169.66

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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.