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Finding the Fourth Proportional to 7,104.38, 10,656.77 and 1,910.25

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Solution

The fourth proportional to 7,104.38, 10,656.77 and 1,910.25 is: 2,865.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,104.38 : 10,656.77 = 1,910.25 : x
  2. Step 2: Convert to fraction form
    7,104.38/10,656.77 = 1,910.25/x
  3. Step 3: Cross multiply
    7,104.38x = 10,656.77 × 1,910.25
  4. Step 4: Simplify right side
    7,104.38x = 20,357,085.34
  5. Step 5: Solve for x
    x = 20,357,085.34/7,104.38
  6. Step 6: Final answer
    x = 2,865.43

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.