Home / 9,104.60-13,656.36-3,181.08

Finding the Fourth Proportional to 9,104.60, 13,656.36 and 3,181.08

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Solution

The fourth proportional to 9,104.60, 13,656.36 and 3,181.08 is: 4,771.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,104.60 : 13,656.36 = 3,181.08 : x
  2. Step 2: Convert to fraction form
    9,104.60/13,656.36 = 3,181.08/x
  3. Step 3: Cross multiply
    9,104.60x = 13,656.36 × 3,181.08
  4. Step 4: Simplify right side
    9,104.60x = 43,441,973.67
  5. Step 5: Solve for x
    x = 43,441,973.67/9,104.60
  6. Step 6: Final answer
    x = 4,771.43

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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.