Home / 5,915.55-8,163.42-3,397.94

Finding the Fourth Proportional to 5,915.55, 8,163.42 and 3,397.94

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Solution

The fourth proportional to 5,915.55, 8,163.42 and 3,397.94 is: 4,689.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.55 : 8,163.42 = 3,397.94 : x
  2. Step 2: Convert to fraction form
    5,915.55/8,163.42 = 3,397.94/x
  3. Step 3: Cross multiply
    5,915.55x = 8,163.42 × 3,397.94
  4. Step 4: Simplify right side
    5,915.55x = 27,738,770.54
  5. Step 5: Solve for x
    x = 27,738,770.54/5,915.55
  6. Step 6: Final answer
    x = 4,689.13

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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.