Home / 7,245.45-10,865.14-2,313.77

Finding the Fourth Proportional to 7,245.45, 10,865.14 and 2,313.77

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Solution

The fourth proportional to 7,245.45, 10,865.14 and 2,313.77 is: 3,469.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,245.45 : 10,865.14 = 2,313.77 : x
  2. Step 2: Convert to fraction form
    7,245.45/10,865.14 = 2,313.77/x
  3. Step 3: Cross multiply
    7,245.45x = 10,865.14 × 2,313.77
  4. Step 4: Simplify right side
    7,245.45x = 25,139,374.87
  5. Step 5: Solve for x
    x = 25,139,374.87/7,245.45
  6. Step 6: Final answer
    x = 3,469.68

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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.