Home / 7,135.52-10,704.08-1,941.44

Finding the Fourth Proportional to 7,135.52, 10,704.08 and 1,941.44

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Solution

The fourth proportional to 7,135.52, 10,704.08 and 1,941.44 is: 2,912.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.52 : 10,704.08 = 1,941.44 : x
  2. Step 2: Convert to fraction form
    7,135.52/10,704.08 = 1,941.44/x
  3. Step 3: Cross multiply
    7,135.52x = 10,704.08 × 1,941.44
  4. Step 4: Simplify right side
    7,135.52x = 20,781,329.08
  5. Step 5: Solve for x
    x = 20,781,329.08/7,135.52
  6. Step 6: Final answer
    x = 2,912.38

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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.