Home / 7,135.38-10,701.86-1,941.26

Finding the Fourth Proportional to 7,135.38, 10,701.86 and 1,941.26

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Solution

The fourth proportional to 7,135.38, 10,701.86 and 1,941.26 is: 2,911.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.38 : 10,701.86 = 1,941.26 : x
  2. Step 2: Convert to fraction form
    7,135.38/10,701.86 = 1,941.26/x
  3. Step 3: Cross multiply
    7,135.38x = 10,701.86 × 1,941.26
  4. Step 4: Simplify right side
    7,135.38x = 20,775,029.53
  5. Step 5: Solve for x
    x = 20,775,029.53/7,135.38
  6. Step 6: Final answer
    x = 2,911.55

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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.