Home / 6,536.20-9,789.90-5,806.60

Finding the Fourth Proportional to 6,536.20, 9,789.90 and 5,806.60

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Solution

The fourth proportional to 6,536.20, 9,789.90 and 5,806.60 is: 8,697.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,536.20 : 9,789.90 = 5,806.60 : x
  2. Step 2: Convert to fraction form
    6,536.20/9,789.90 = 5,806.60/x
  3. Step 3: Cross multiply
    6,536.20x = 9,789.90 × 5,806.60
  4. Step 4: Simplify right side
    6,536.20x = 56,846,033.34
  5. Step 5: Solve for x
    x = 56,846,033.34/6,536.20
  6. Step 6: Final answer
    x = 8,697.11

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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.