Home / 7,273.27-10,914.69-3,988.67

Finding the Fourth Proportional to 7,273.27, 10,914.69 and 3,988.67

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Solution

The fourth proportional to 7,273.27, 10,914.69 and 3,988.67 is: 5,985.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,273.27 : 10,914.69 = 3,988.67 : x
  2. Step 2: Convert to fraction form
    7,273.27/10,914.69 = 3,988.67/x
  3. Step 3: Cross multiply
    7,273.27x = 10,914.69 × 3,988.67
  4. Step 4: Simplify right side
    7,273.27x = 43,535,107.12
  5. Step 5: Solve for x
    x = 43,535,107.12/7,273.27
  6. Step 6: Final answer
    x = 5,985.63

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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.