Home / 6,343.83-9,516.24-1,961.28

Finding the Fourth Proportional to 6,343.83, 9,516.24 and 1,961.28

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Solution

The fourth proportional to 6,343.83, 9,516.24 and 1,961.28 is: 2,942.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,343.83 : 9,516.24 = 1,961.28 : x
  2. Step 2: Convert to fraction form
    6,343.83/9,516.24 = 1,961.28/x
  3. Step 3: Cross multiply
    6,343.83x = 9,516.24 × 1,961.28
  4. Step 4: Simplify right side
    6,343.83x = 18,664,011.19
  5. Step 5: Solve for x
    x = 18,664,011.19/6,343.83
  6. Step 6: Final answer
    x = 2,942.07

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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.