Home / 6,417.21-9,634.76-3,299.86

Finding the Fourth Proportional to 6,417.21, 9,634.76 and 3,299.86

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Solution

The fourth proportional to 6,417.21, 9,634.76 and 3,299.86 is: 4,954.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,417.21 : 9,634.76 = 3,299.86 : x
  2. Step 2: Convert to fraction form
    6,417.21/9,634.76 = 3,299.86/x
  3. Step 3: Cross multiply
    6,417.21x = 9,634.76 × 3,299.86
  4. Step 4: Simplify right side
    6,417.21x = 31,793,343.30
  5. Step 5: Solve for x
    x = 31,793,343.30/6,417.21
  6. Step 6: Final answer
    x = 4,954.39

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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.