Home / 5,517.96-7,614.78-3,000.07

Finding the Fourth Proportional to 5,517.96, 7,614.78 and 3,000.07

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Solution

The fourth proportional to 5,517.96, 7,614.78 and 3,000.07 is: 4,140.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.96 : 7,614.78 = 3,000.07 : x
  2. Step 2: Convert to fraction form
    5,517.96/7,614.78 = 3,000.07/x
  3. Step 3: Cross multiply
    5,517.96x = 7,614.78 × 3,000.07
  4. Step 4: Simplify right side
    5,517.96x = 22,844,834.96
  5. Step 5: Solve for x
    x = 22,844,834.96/5,517.96
  6. Step 6: Final answer
    x = 4,140.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.