Home / 5,516.56-8,274-1,818.64

Finding the Fourth Proportional to 5,516.56, 8,274 and 1,818.64

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Solution

The fourth proportional to 5,516.56, 8,274 and 1,818.64 is: 2,727.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.56 : 8,274 = 1,818.64 : x
  2. Step 2: Convert to fraction form
    5,516.56/8,274 = 1,818.64/x
  3. Step 3: Cross multiply
    5,516.56x = 8,274 × 1,818.64
  4. Step 4: Simplify right side
    5,516.56x = 15,047,427.36
  5. Step 5: Solve for x
    x = 15,047,427.36/5,516.56
  6. Step 6: Final answer
    x = 2,727.68

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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.