Home / 5,915.45-8,163.33-3,262.79

Finding the Fourth Proportional to 5,915.45, 8,163.33 and 3,262.79

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Solution

The fourth proportional to 5,915.45, 8,163.33 and 3,262.79 is: 4,502.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.45 : 8,163.33 = 3,262.79 : x
  2. Step 2: Convert to fraction form
    5,915.45/8,163.33 = 3,262.79/x
  3. Step 3: Cross multiply
    5,915.45x = 8,163.33 × 3,262.79
  4. Step 4: Simplify right side
    5,915.45x = 26,635,231.49
  5. Step 5: Solve for x
    x = 26,635,231.49/5,915.45
  6. Step 6: Final answer
    x = 4,502.66

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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.