Home / 5,515.24-8,271.46-2,227.36

Finding the Fourth Proportional to 5,515.24, 8,271.46 and 2,227.36

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Solution

The fourth proportional to 5,515.24, 8,271.46 and 2,227.36 is: 3,340.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.24 : 8,271.46 = 2,227.36 : x
  2. Step 2: Convert to fraction form
    5,515.24/8,271.46 = 2,227.36/x
  3. Step 3: Cross multiply
    5,515.24x = 8,271.46 × 2,227.36
  4. Step 4: Simplify right side
    5,515.24x = 18,423,519.15
  5. Step 5: Solve for x
    x = 18,423,519.15/5,515.24
  6. Step 6: Final answer
    x = 3,340.47

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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.