Home / 5,531.90-8,299.67-2,609.82

Finding the Fourth Proportional to 5,531.90, 8,299.67 and 2,609.82

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Solution

The fourth proportional to 5,531.90, 8,299.67 and 2,609.82 is: 3,915.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531.90 : 8,299.67 = 2,609.82 : x
  2. Step 2: Convert to fraction form
    5,531.90/8,299.67 = 2,609.82/x
  3. Step 3: Cross multiply
    5,531.90x = 8,299.67 × 2,609.82
  4. Step 4: Simplify right side
    5,531.90x = 21,660,631.71
  5. Step 5: Solve for x
    x = 21,660,631.71/5,531.90
  6. Step 6: Final answer
    x = 3,915.59

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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.