Home / 5,211.54-7,816.87-2,049.05

Finding the Fourth Proportional to 5,211.54, 7,816.87 and 2,049.05

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Solution

The fourth proportional to 5,211.54, 7,816.87 and 2,049.05 is: 3,073.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211.54 : 7,816.87 = 2,049.05 : x
  2. Step 2: Convert to fraction form
    5,211.54/7,816.87 = 2,049.05/x
  3. Step 3: Cross multiply
    5,211.54x = 7,816.87 × 2,049.05
  4. Step 4: Simplify right side
    5,211.54x = 16,017,157.47
  5. Step 5: Solve for x
    x = 16,017,157.47/5,211.54
  6. Step 6: Final answer
    x = 3,073.40

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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.