Home / 5,915.40-8,163.14-3,262.88

Finding the Fourth Proportional to 5,915.40, 8,163.14 and 3,262.88

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Solution

The fourth proportional to 5,915.40, 8,163.14 and 3,262.88 is: 4,502.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.40 : 8,163.14 = 3,262.88 : x
  2. Step 2: Convert to fraction form
    5,915.40/8,163.14 = 3,262.88/x
  3. Step 3: Cross multiply
    5,915.40x = 8,163.14 × 3,262.88
  4. Step 4: Simplify right side
    5,915.40x = 26,635,289.11
  5. Step 5: Solve for x
    x = 26,635,289.11/5,915.40
  6. Step 6: Final answer
    x = 4,502.70

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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.