Home / 7,825.11-11,734.43-2,898.69

Finding the Fourth Proportional to 7,825.11, 11,734.43 and 2,898.69

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Solution

The fourth proportional to 7,825.11, 11,734.43 and 2,898.69 is: 4,346.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,825.11 : 11,734.43 = 2,898.69 : x
  2. Step 2: Convert to fraction form
    7,825.11/11,734.43 = 2,898.69/x
  3. Step 3: Cross multiply
    7,825.11x = 11,734.43 × 2,898.69
  4. Step 4: Simplify right side
    7,825.11x = 34,014,460.40
  5. Step 5: Solve for x
    x = 34,014,460.40/7,825.11
  6. Step 6: Final answer
    x = 4,346.83

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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.