Home / 6,416.28-9,631.68-4,309.44

Finding the Fourth Proportional to 6,416.28, 9,631.68 and 4,309.44

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Solution

The fourth proportional to 6,416.28, 9,631.68 and 4,309.44 is: 6,469.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,416.28 : 9,631.68 = 4,309.44 : x
  2. Step 2: Convert to fraction form
    6,416.28/9,631.68 = 4,309.44/x
  3. Step 3: Cross multiply
    6,416.28x = 9,631.68 × 4,309.44
  4. Step 4: Simplify right side
    6,416.28x = 41,507,147.06
  5. Step 5: Solve for x
    x = 41,507,147.06/6,416.28
  6. Step 6: Final answer
    x = 6,469.04

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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.