Home / 5,518.11-7,614.99-3,000.18

Finding the Fourth Proportional to 5,518.11, 7,614.99 and 3,000.18

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Solution

The fourth proportional to 5,518.11, 7,614.99 and 3,000.18 is: 4,140.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.11 : 7,614.99 = 3,000.18 : x
  2. Step 2: Convert to fraction form
    5,518.11/7,614.99 = 3,000.18/x
  3. Step 3: Cross multiply
    5,518.11x = 7,614.99 × 3,000.18
  4. Step 4: Simplify right side
    5,518.11x = 22,846,340.70
  5. Step 5: Solve for x
    x = 22,846,340.70/5,518.11
  6. Step 6: Final answer
    x = 4,140.25

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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.