Home / 6,688.64-10,033.32-2,789.12

Finding the Fourth Proportional to 6,688.64, 10,033.32 and 2,789.12

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Solution

The fourth proportional to 6,688.64, 10,033.32 and 2,789.12 is: 4,183.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688.64 : 10,033.32 = 2,789.12 : x
  2. Step 2: Convert to fraction form
    6,688.64/10,033.32 = 2,789.12/x
  3. Step 3: Cross multiply
    6,688.64x = 10,033.32 × 2,789.12
  4. Step 4: Simplify right side
    6,688.64x = 27,984,133.48
  5. Step 5: Solve for x
    x = 27,984,133.48/6,688.64
  6. Step 6: Final answer
    x = 4,183.83

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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.