Home / 5,915.40-8,163.84-4,420.73

Finding the Fourth Proportional to 5,915.40, 8,163.84 and 4,420.73

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Solution

The fourth proportional to 5,915.40, 8,163.84 and 4,420.73 is: 6,101.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.40 : 8,163.84 = 4,420.73 : x
  2. Step 2: Convert to fraction form
    5,915.40/8,163.84 = 4,420.73/x
  3. Step 3: Cross multiply
    5,915.40x = 8,163.84 × 4,420.73
  4. Step 4: Simplify right side
    5,915.40x = 36,090,091.58
  5. Step 5: Solve for x
    x = 36,090,091.58/5,915.40
  6. Step 6: Final answer
    x = 6,101.04

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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.