Home / 7,216.28-10,824.72-2,285.81

Finding the Fourth Proportional to 7,216.28, 10,824.72 and 2,285.81

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Solution

The fourth proportional to 7,216.28, 10,824.72 and 2,285.81 is: 3,428.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216.28 : 10,824.72 = 2,285.81 : x
  2. Step 2: Convert to fraction form
    7,216.28/10,824.72 = 2,285.81/x
  3. Step 3: Cross multiply
    7,216.28x = 10,824.72 × 2,285.81
  4. Step 4: Simplify right side
    7,216.28x = 24,743,253.22
  5. Step 5: Solve for x
    x = 24,743,253.22/7,216.28
  6. Step 6: Final answer
    x = 3,428.81

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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.