Home / 5,353.06-8,031.30-2,579.98

Finding the Fourth Proportional to 5,353.06, 8,031.30 and 2,579.98

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Solution

The fourth proportional to 5,353.06, 8,031.30 and 2,579.98 is: 3,870.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.06 : 8,031.30 = 2,579.98 : x
  2. Step 2: Convert to fraction form
    5,353.06/8,031.30 = 2,579.98/x
  3. Step 3: Cross multiply
    5,353.06x = 8,031.30 × 2,579.98
  4. Step 4: Simplify right side
    5,353.06x = 20,720,593.37
  5. Step 5: Solve for x
    x = 20,720,593.37/5,353.06
  6. Step 6: Final answer
    x = 3,870.79

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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.