Home / 7,218.18-10,829.70-2,288.52

Finding the Fourth Proportional to 7,218.18, 10,829.70 and 2,288.52

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Solution

The fourth proportional to 7,218.18, 10,829.70 and 2,288.52 is: 3,433.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218.18 : 10,829.70 = 2,288.52 : x
  2. Step 2: Convert to fraction form
    7,218.18/10,829.70 = 2,288.52/x
  3. Step 3: Cross multiply
    7,218.18x = 10,829.70 × 2,288.52
  4. Step 4: Simplify right side
    7,218.18x = 24,783,985.04
  5. Step 5: Solve for x
    x = 24,783,985.04/7,218.18
  6. Step 6: Final answer
    x = 3,433.55

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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.