Home / 7,941.25-11,912.15-3,197.35

Finding the Fourth Proportional to 7,941.25, 11,912.15 and 3,197.35

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Solution

The fourth proportional to 7,941.25, 11,912.15 and 3,197.35 is: 4,796.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,941.25 : 11,912.15 = 3,197.35 : x
  2. Step 2: Convert to fraction form
    7,941.25/11,912.15 = 3,197.35/x
  3. Step 3: Cross multiply
    7,941.25x = 11,912.15 × 3,197.35
  4. Step 4: Simplify right side
    7,941.25x = 38,087,312.80
  5. Step 5: Solve for x
    x = 38,087,312.80/7,941.25
  6. Step 6: Final answer
    x = 4,796.14

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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.