Home / 7,385.37-11,074.81-2,765.13

Finding the Fourth Proportional to 7,385.37, 11,074.81 and 2,765.13

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Solution

The fourth proportional to 7,385.37, 11,074.81 and 2,765.13 is: 4,146.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.37 : 11,074.81 = 2,765.13 : x
  2. Step 2: Convert to fraction form
    7,385.37/11,074.81 = 2,765.13/x
  3. Step 3: Cross multiply
    7,385.37x = 11,074.81 × 2,765.13
  4. Step 4: Simplify right side
    7,385.37x = 30,623,289.38
  5. Step 5: Solve for x
    x = 30,623,289.38/7,385.37
  6. Step 6: Final answer
    x = 4,146.48

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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.