Home / 6,519.43-9,780.36-2,961.79

Finding the Fourth Proportional to 6,519.43, 9,780.36 and 2,961.79

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Solution

The fourth proportional to 6,519.43, 9,780.36 and 2,961.79 is: 4,443.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,519.43 : 9,780.36 = 2,961.79 : x
  2. Step 2: Convert to fraction form
    6,519.43/9,780.36 = 2,961.79/x
  3. Step 3: Cross multiply
    6,519.43x = 9,780.36 × 2,961.79
  4. Step 4: Simplify right side
    6,519.43x = 28,967,407.18
  5. Step 5: Solve for x
    x = 28,967,407.18/6,519.43
  6. Step 6: Final answer
    x = 4,443.25

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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.