Home / 5,031.24-7,546.94-2,808.78

Finding the Fourth Proportional to 5,031.24, 7,546.94 and 2,808.78

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Solution

The fourth proportional to 5,031.24, 7,546.94 and 2,808.78 is: 4,213.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.24 : 7,546.94 = 2,808.78 : x
  2. Step 2: Convert to fraction form
    5,031.24/7,546.94 = 2,808.78/x
  3. Step 3: Cross multiply
    5,031.24x = 7,546.94 × 2,808.78
  4. Step 4: Simplify right side
    5,031.24x = 21,197,720.02
  5. Step 5: Solve for x
    x = 21,197,720.02/5,031.24
  6. Step 6: Final answer
    x = 4,213.22

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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.