Home / 7,835.87-11,755.63-2,289.30

Finding the Fourth Proportional to 7,835.87, 11,755.63 and 2,289.30

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Solution

The fourth proportional to 7,835.87, 11,755.63 and 2,289.30 is: 3,434.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,835.87 : 11,755.63 = 2,289.30 : x
  2. Step 2: Convert to fraction form
    7,835.87/11,755.63 = 2,289.30/x
  3. Step 3: Cross multiply
    7,835.87x = 11,755.63 × 2,289.30
  4. Step 4: Simplify right side
    7,835.87x = 26,912,122.54
  5. Step 5: Solve for x
    x = 26,912,122.54/7,835.87
  6. Step 6: Final answer
    x = 3,434.48

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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.