Home / 5,355.45-8,031.74-1,892.25

Finding the Fourth Proportional to 5,355.45, 8,031.74 and 1,892.25

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Solution

The fourth proportional to 5,355.45, 8,031.74 and 1,892.25 is: 2,837.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355.45 : 8,031.74 = 1,892.25 : x
  2. Step 2: Convert to fraction form
    5,355.45/8,031.74 = 1,892.25/x
  3. Step 3: Cross multiply
    5,355.45x = 8,031.74 × 1,892.25
  4. Step 4: Simplify right side
    5,355.45x = 15,198,050.55
  5. Step 5: Solve for x
    x = 15,198,050.55/5,355.45
  6. Step 6: Final answer
    x = 2,837.87

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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.