Home / 5,489.21-7,576.79-4,751.10

Finding the Fourth Proportional to 5,489.21, 7,576.79 and 4,751.10

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Solution

The fourth proportional to 5,489.21, 7,576.79 and 4,751.10 is: 6,557.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489.21 : 7,576.79 = 4,751.10 : x
  2. Step 2: Convert to fraction form
    5,489.21/7,576.79 = 4,751.10/x
  3. Step 3: Cross multiply
    5,489.21x = 7,576.79 × 4,751.10
  4. Step 4: Simplify right side
    5,489.21x = 35,998,063.21
  5. Step 5: Solve for x
    x = 35,998,063.21/5,489.21
  6. Step 6: Final answer
    x = 6,557.97

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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.