Home / 7,621.52-11,433.65-2,694.02

Finding the Fourth Proportional to 7,621.52, 11,433.65 and 2,694.02

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Solution

The fourth proportional to 7,621.52, 11,433.65 and 2,694.02 is: 4,041.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621.52 : 11,433.65 = 2,694.02 : x
  2. Step 2: Convert to fraction form
    7,621.52/11,433.65 = 2,694.02/x
  3. Step 3: Cross multiply
    7,621.52x = 11,433.65 × 2,694.02
  4. Step 4: Simplify right side
    7,621.52x = 30,802,481.77
  5. Step 5: Solve for x
    x = 30,802,481.77/7,621.52
  6. Step 6: Final answer
    x = 4,041.51

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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.