Home / 5,127.54-7,674.88-2,658.96

Finding the Fourth Proportional to 5,127.54, 7,674.88 and 2,658.96

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Solution

The fourth proportional to 5,127.54, 7,674.88 and 2,658.96 is: 3,979.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127.54 : 7,674.88 = 2,658.96 : x
  2. Step 2: Convert to fraction form
    5,127.54/7,674.88 = 2,658.96/x
  3. Step 3: Cross multiply
    5,127.54x = 7,674.88 × 2,658.96
  4. Step 4: Simplify right side
    5,127.54x = 20,407,198.92
  5. Step 5: Solve for x
    x = 20,407,198.92/5,127.54
  6. Step 6: Final answer
    x = 3,979.92

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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.