Home / 7,135.62-10,702.26-1,941.90

Finding the Fourth Proportional to 7,135.62, 10,702.26 and 1,941.90

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Solution

The fourth proportional to 7,135.62, 10,702.26 and 1,941.90 is: 2,912.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.62 : 10,702.26 = 1,941.90 : x
  2. Step 2: Convert to fraction form
    7,135.62/10,702.26 = 1,941.90/x
  3. Step 3: Cross multiply
    7,135.62x = 10,702.26 × 1,941.90
  4. Step 4: Simplify right side
    7,135.62x = 20,782,718.69
  5. Step 5: Solve for x
    x = 20,782,718.69/7,135.62
  6. Step 6: Final answer
    x = 2,912.53

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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.