Home / 5,351.28-8,031.24-2,275.44

Finding the Fourth Proportional to 5,351.28, 8,031.24 and 2,275.44

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Solution

The fourth proportional to 5,351.28, 8,031.24 and 2,275.44 is: 3,415.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.28 : 8,031.24 = 2,275.44 : x
  2. Step 2: Convert to fraction form
    5,351.28/8,031.24 = 2,275.44/x
  3. Step 3: Cross multiply
    5,351.28x = 8,031.24 × 2,275.44
  4. Step 4: Simplify right side
    5,351.28x = 18,274,604.75
  5. Step 5: Solve for x
    x = 18,274,604.75/5,351.28
  6. Step 6: Final answer
    x = 3,415.00

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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.