Home / 7,129.08-10,693.62-1,934.94

Finding the Fourth Proportional to 7,129.08, 10,693.62 and 1,934.94

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Solution

The fourth proportional to 7,129.08, 10,693.62 and 1,934.94 is: 2,902.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129.08 : 10,693.62 = 1,934.94 : x
  2. Step 2: Convert to fraction form
    7,129.08/10,693.62 = 1,934.94/x
  3. Step 3: Cross multiply
    7,129.08x = 10,693.62 × 1,934.94
  4. Step 4: Simplify right side
    7,129.08x = 20,691,513.08
  5. Step 5: Solve for x
    x = 20,691,513.08/7,129.08
  6. Step 6: Final answer
    x = 2,902.41

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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.