Home / 7,720.50-11,582.68-3,563.42

Finding the Fourth Proportional to 7,720.50, 11,582.68 and 3,563.42

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Solution

The fourth proportional to 7,720.50, 11,582.68 and 3,563.42 is: 5,346.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,720.50 : 11,582.68 = 3,563.42 : x
  2. Step 2: Convert to fraction form
    7,720.50/11,582.68 = 3,563.42/x
  3. Step 3: Cross multiply
    7,720.50x = 11,582.68 × 3,563.42
  4. Step 4: Simplify right side
    7,720.50x = 41,273,941.03
  5. Step 5: Solve for x
    x = 41,273,941.03/7,720.50
  6. Step 6: Final answer
    x = 5,346.02

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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.