Home / 7,218.54-10,828.84-2,288.60

Finding the Fourth Proportional to 7,218.54, 10,828.84 and 2,288.60

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Solution

The fourth proportional to 7,218.54, 10,828.84 and 2,288.60 is: 3,433.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218.54 : 10,828.84 = 2,288.60 : x
  2. Step 2: Convert to fraction form
    7,218.54/10,828.84 = 2,288.60/x
  3. Step 3: Cross multiply
    7,218.54x = 10,828.84 × 2,288.60
  4. Step 4: Simplify right side
    7,218.54x = 24,782,929.17
  5. Step 5: Solve for x
    x = 24,782,929.17/7,218.54
  6. Step 6: Final answer
    x = 3,433.23

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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.