Home / 5,104.96-7,656.96-2,185.60

Finding the Fourth Proportional to 5,104.96, 7,656.96 and 2,185.60

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Solution

The fourth proportional to 5,104.96, 7,656.96 and 2,185.60 is: 3,278.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.96 : 7,656.96 = 2,185.60 : x
  2. Step 2: Convert to fraction form
    5,104.96/7,656.96 = 2,185.60/x
  3. Step 3: Cross multiply
    5,104.96x = 7,656.96 × 2,185.60
  4. Step 4: Simplify right side
    5,104.96x = 16,735,051.78
  5. Step 5: Solve for x
    x = 16,735,051.78/5,104.96
  6. Step 6: Final answer
    x = 3,278.19

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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.