Home / 7,266.20-10,911.45-4,811.90

Finding the Fourth Proportional to 7,266.20, 10,911.45 and 4,811.90

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Solution

The fourth proportional to 7,266.20, 10,911.45 and 4,811.90 is: 7,225.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,266.20 : 10,911.45 = 4,811.90 : x
  2. Step 2: Convert to fraction form
    7,266.20/10,911.45 = 4,811.90/x
  3. Step 3: Cross multiply
    7,266.20x = 10,911.45 × 4,811.90
  4. Step 4: Simplify right side
    7,266.20x = 52,504,806.26
  5. Step 5: Solve for x
    x = 52,504,806.26/7,266.20
  6. Step 6: Final answer
    x = 7,225.90

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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.