Home / 6,815.88-10,221.66-3,526.74

Finding the Fourth Proportional to 6,815.88, 10,221.66 and 3,526.74

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Solution

The fourth proportional to 6,815.88, 10,221.66 and 3,526.74 is: 5,288.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,815.88 : 10,221.66 = 3,526.74 : x
  2. Step 2: Convert to fraction form
    6,815.88/10,221.66 = 3,526.74/x
  3. Step 3: Cross multiply
    6,815.88x = 10,221.66 × 3,526.74
  4. Step 4: Simplify right side
    6,815.88x = 36,049,137.19
  5. Step 5: Solve for x
    x = 36,049,137.19/6,815.88
  6. Step 6: Final answer
    x = 5,288.99

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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.