Home / 8,288.94-12,431.61-2,740.98

Finding the Fourth Proportional to 8,288.94, 12,431.61 and 2,740.98

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Solution

The fourth proportional to 8,288.94, 12,431.61 and 2,740.98 is: 4,110.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,288.94 : 12,431.61 = 2,740.98 : x
  2. Step 2: Convert to fraction form
    8,288.94/12,431.61 = 2,740.98/x
  3. Step 3: Cross multiply
    8,288.94x = 12,431.61 × 2,740.98
  4. Step 4: Simplify right side
    8,288.94x = 34,074,794.38
  5. Step 5: Solve for x
    x = 34,074,794.38/8,288.94
  6. Step 6: Final answer
    x = 4,110.87

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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.