Home / 9,184.92-13,779.72-3,917.28

Finding the Fourth Proportional to 9,184.92, 13,779.72 and 3,917.28

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Solution

The fourth proportional to 9,184.92, 13,779.72 and 3,917.28 is: 5,876.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,184.92 : 13,779.72 = 3,917.28 : x
  2. Step 2: Convert to fraction form
    9,184.92/13,779.72 = 3,917.28/x
  3. Step 3: Cross multiply
    9,184.92x = 13,779.72 × 3,917.28
  4. Step 4: Simplify right side
    9,184.92x = 53,979,021.56
  5. Step 5: Solve for x
    x = 53,979,021.56/9,184.92
  6. Step 6: Final answer
    x = 5,876.92

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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.