Home / 6,516.92-9,775.38-2,134.40

Finding the Fourth Proportional to 6,516.92, 9,775.38 and 2,134.40

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Solution

The fourth proportional to 6,516.92, 9,775.38 and 2,134.40 is: 3,201.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,516.92 : 9,775.38 = 2,134.40 : x
  2. Step 2: Convert to fraction form
    6,516.92/9,775.38 = 2,134.40/x
  3. Step 3: Cross multiply
    6,516.92x = 9,775.38 × 2,134.40
  4. Step 4: Simplify right side
    6,516.92x = 20,864,571.07
  5. Step 5: Solve for x
    x = 20,864,571.07/6,516.92
  6. Step 6: Final answer
    x = 3,201.60

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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.