Home / 5,515.94-8,276.21-2,228.19

Finding the Fourth Proportional to 5,515.94, 8,276.21 and 2,228.19

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Solution

The fourth proportional to 5,515.94, 8,276.21 and 2,228.19 is: 3,343.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.94 : 8,276.21 = 2,228.19 : x
  2. Step 2: Convert to fraction form
    5,515.94/8,276.21 = 2,228.19/x
  3. Step 3: Cross multiply
    5,515.94x = 8,276.21 × 2,228.19
  4. Step 4: Simplify right side
    5,515.94x = 18,440,957.22
  5. Step 5: Solve for x
    x = 18,440,957.22/5,515.94
  6. Step 6: Final answer
    x = 3,343.22

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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.