Home / 7,218.60-10,826.99-2,288.28

Finding the Fourth Proportional to 7,218.60, 10,826.99 and 2,288.28

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Solution

The fourth proportional to 7,218.60, 10,826.99 and 2,288.28 is: 3,432.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218.60 : 10,826.99 = 2,288.28 : x
  2. Step 2: Convert to fraction form
    7,218.60/10,826.99 = 2,288.28/x
  3. Step 3: Cross multiply
    7,218.60x = 10,826.99 × 2,288.28
  4. Step 4: Simplify right side
    7,218.60x = 24,775,173.24
  5. Step 5: Solve for x
    x = 24,775,173.24/7,218.60
  6. Step 6: Final answer
    x = 3,432.13

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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.