Home / 7,135.83-10,703.70-1,941.66

Finding the Fourth Proportional to 7,135.83, 10,703.70 and 1,941.66

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Solution

The fourth proportional to 7,135.83, 10,703.70 and 1,941.66 is: 2,912.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.83 : 10,703.70 = 1,941.66 : x
  2. Step 2: Convert to fraction form
    7,135.83/10,703.70 = 1,941.66/x
  3. Step 3: Cross multiply
    7,135.83x = 10,703.70 × 1,941.66
  4. Step 4: Simplify right side
    7,135.83x = 20,782,946.14
  5. Step 5: Solve for x
    x = 20,782,946.14/7,135.83
  6. Step 6: Final answer
    x = 2,912.48

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Similar ratio
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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.