Home / 7,215.28-10,823.22-2,284.81

Finding the Fourth Proportional to 7,215.28, 10,823.22 and 2,284.81

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Solution

The fourth proportional to 7,215.28, 10,823.22 and 2,284.81 is: 3,427.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,215.28 : 10,823.22 = 2,284.81 : x
  2. Step 2: Convert to fraction form
    7,215.28/10,823.22 = 2,284.81/x
  3. Step 3: Cross multiply
    7,215.28x = 10,823.22 × 2,284.81
  4. Step 4: Simplify right side
    7,215.28x = 24,728,974.23
  5. Step 5: Solve for x
    x = 24,728,974.23/7,215.28
  6. Step 6: Final answer
    x = 3,427.31

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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.