Home / 5,516.56-8,271.72-1,817.79

Finding the Fourth Proportional to 5,516.56, 8,271.72 and 1,817.79

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Solution

The fourth proportional to 5,516.56, 8,271.72 and 1,817.79 is: 2,725.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.56 : 8,271.72 = 1,817.79 : x
  2. Step 2: Convert to fraction form
    5,516.56/8,271.72 = 1,817.79/x
  3. Step 3: Cross multiply
    5,516.56x = 8,271.72 × 1,817.79
  4. Step 4: Simplify right side
    5,516.56x = 15,036,265.41
  5. Step 5: Solve for x
    x = 15,036,265.41/5,516.56
  6. Step 6: Final answer
    x = 2,725.66

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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.