Home / 5,420.92-8,131.92-2,500.06

Finding the Fourth Proportional to 5,420.92, 8,131.92 and 2,500.06

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Solution

The fourth proportional to 5,420.92, 8,131.92 and 2,500.06 is: 3,750.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420.92 : 8,131.92 = 2,500.06 : x
  2. Step 2: Convert to fraction form
    5,420.92/8,131.92 = 2,500.06/x
  3. Step 3: Cross multiply
    5,420.92x = 8,131.92 × 2,500.06
  4. Step 4: Simplify right side
    5,420.92x = 20,330,258.21
  5. Step 5: Solve for x
    x = 20,330,258.21/5,420.92
  6. Step 6: Final answer
    x = 3,750.34

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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.