Home / 8,343.76-11,516.64-5,198.08

Finding the Fourth Proportional to 8,343.76, 11,516.64 and 5,198.08

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Solution

The fourth proportional to 8,343.76, 11,516.64 and 5,198.08 is: 7,174.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,343.76 : 11,516.64 = 5,198.08 : x
  2. Step 2: Convert to fraction form
    8,343.76/11,516.64 = 5,198.08/x
  3. Step 3: Cross multiply
    8,343.76x = 11,516.64 × 5,198.08
  4. Step 4: Simplify right side
    8,343.76x = 59,864,416.05
  5. Step 5: Solve for x
    x = 59,864,416.05/8,343.76
  6. Step 6: Final answer
    x = 7,174.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.