Home / 7,450.63-11,177.75-2,770.81

Finding the Fourth Proportional to 7,450.63, 11,177.75 and 2,770.81

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Solution

The fourth proportional to 7,450.63, 11,177.75 and 2,770.81 is: 4,156.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,450.63 : 11,177.75 = 2,770.81 : x
  2. Step 2: Convert to fraction form
    7,450.63/11,177.75 = 2,770.81/x
  3. Step 3: Cross multiply
    7,450.63x = 11,177.75 × 2,770.81
  4. Step 4: Simplify right side
    7,450.63x = 30,971,400.46
  5. Step 5: Solve for x
    x = 30,971,400.46/7,450.63
  6. Step 6: Final answer
    x = 4,156.88

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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.