Home / 7,282.08-10,921.11-2,015.84

Finding the Fourth Proportional to 7,282.08, 10,921.11 and 2,015.84

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Solution

The fourth proportional to 7,282.08, 10,921.11 and 2,015.84 is: 3,023.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,282.08 : 10,921.11 = 2,015.84 : x
  2. Step 2: Convert to fraction form
    7,282.08/10,921.11 = 2,015.84/x
  3. Step 3: Cross multiply
    7,282.08x = 10,921.11 × 2,015.84
  4. Step 4: Simplify right side
    7,282.08x = 22,015,155.78
  5. Step 5: Solve for x
    x = 22,015,155.78/7,282.08
  6. Step 6: Final answer
    x = 3,023.20

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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.