Home / 7,791.30-11,685.20-2,243.40

Finding the Fourth Proportional to 7,791.30, 11,685.20 and 2,243.40

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Solution

The fourth proportional to 7,791.30, 11,685.20 and 2,243.40 is: 3,364.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,791.30 : 11,685.20 = 2,243.40 : x
  2. Step 2: Convert to fraction form
    7,791.30/11,685.20 = 2,243.40/x
  3. Step 3: Cross multiply
    7,791.30x = 11,685.20 × 2,243.40
  4. Step 4: Simplify right side
    7,791.30x = 26,214,577.68
  5. Step 5: Solve for x
    x = 26,214,577.68/7,791.30
  6. Step 6: Final answer
    x = 3,364.60

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1.5x scale

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.