Home / 7,189.62-10,784.49-2,259.15

Finding the Fourth Proportional to 7,189.62, 10,784.49 and 2,259.15

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Solution

The fourth proportional to 7,189.62, 10,784.49 and 2,259.15 is: 3,388.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,189.62 : 10,784.49 = 2,259.15 : x
  2. Step 2: Convert to fraction form
    7,189.62/10,784.49 = 2,259.15/x
  3. Step 3: Cross multiply
    7,189.62x = 10,784.49 × 2,259.15
  4. Step 4: Simplify right side
    7,189.62x = 24,363,780.58
  5. Step 5: Solve for x
    x = 24,363,780.58/7,189.62
  6. Step 6: Final answer
    x = 3,388.74

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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.