Home / 6,519.21-9,775.17-2,819.13

Finding the Fourth Proportional to 6,519.21, 9,775.17 and 2,819.13

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Solution

The fourth proportional to 6,519.21, 9,775.17 and 2,819.13 is: 4,227.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,519.21 : 9,775.17 = 2,819.13 : x
  2. Step 2: Convert to fraction form
    6,519.21/9,775.17 = 2,819.13/x
  3. Step 3: Cross multiply
    6,519.21x = 9,775.17 × 2,819.13
  4. Step 4: Simplify right side
    6,519.21x = 27,557,475.00
  5. Step 5: Solve for x
    x = 27,557,475.00/6,519.21
  6. Step 6: Final answer
    x = 4,227.12

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1.5x scale

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.