Home / 5,439.50-8,158.11-2,663.38

Finding the Fourth Proportional to 5,439.50, 8,158.11 and 2,663.38

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Solution

The fourth proportional to 5,439.50, 8,158.11 and 2,663.38 is: 3,994.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.50 : 8,158.11 = 2,663.38 : x
  2. Step 2: Convert to fraction form
    5,439.50/8,158.11 = 2,663.38/x
  3. Step 3: Cross multiply
    5,439.50x = 8,158.11 × 2,663.38
  4. Step 4: Simplify right side
    5,439.50x = 21,728,096.23
  5. Step 5: Solve for x
    x = 21,728,096.23/5,439.50
  6. Step 6: Final answer
    x = 3,994.50

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1.5x scale

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.