Home / 9,110.22-13,656.62-3,561.72

Finding the Fourth Proportional to 9,110.22, 13,656.62 and 3,561.72

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Solution

The fourth proportional to 9,110.22, 13,656.62 and 3,561.72 is: 5,339.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,110.22 : 13,656.62 = 3,561.72 : x
  2. Step 2: Convert to fraction form
    9,110.22/13,656.62 = 3,561.72/x
  3. Step 3: Cross multiply
    9,110.22x = 13,656.62 × 3,561.72
  4. Step 4: Simplify right side
    9,110.22x = 48,641,038.78
  5. Step 5: Solve for x
    x = 48,641,038.78/9,110.22
  6. Step 6: Final answer
    x = 5,339.17

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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.