Home / 5,509.28-8,265.12-2,222.48

Finding the Fourth Proportional to 5,509.28, 8,265.12 and 2,222.48

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Solution

The fourth proportional to 5,509.28, 8,265.12 and 2,222.48 is: 3,334.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.28 : 8,265.12 = 2,222.48 : x
  2. Step 2: Convert to fraction form
    5,509.28/8,265.12 = 2,222.48/x
  3. Step 3: Cross multiply
    5,509.28x = 8,265.12 × 2,222.48
  4. Step 4: Simplify right side
    5,509.28x = 18,369,063.90
  5. Step 5: Solve for x
    x = 18,369,063.90/5,509.28
  6. Step 6: Final answer
    x = 3,334.20

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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.