Home / 5,362.80-8,049.60-2,591.70

Finding the Fourth Proportional to 5,362.80, 8,049.60 and 2,591.70

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Solution

The fourth proportional to 5,362.80, 8,049.60 and 2,591.70 is: 3,890.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,362.80 : 8,049.60 = 2,591.70 : x
  2. Step 2: Convert to fraction form
    5,362.80/8,049.60 = 2,591.70/x
  3. Step 3: Cross multiply
    5,362.80x = 8,049.60 × 2,591.70
  4. Step 4: Simplify right side
    5,362.80x = 20,862,148.32
  5. Step 5: Solve for x
    x = 20,862,148.32/5,362.80
  6. Step 6: Final answer
    x = 3,890.16

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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.