Home / 4,420.50-6,622.26-2,749.68

Finding the Fourth Proportional to 4,420.50, 6,622.26 and 2,749.68

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Solution

The fourth proportional to 4,420.50, 6,622.26 and 2,749.68 is: 4,119.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,420.50 : 6,622.26 = 2,749.68 : x
  2. Step 2: Convert to fraction form
    4,420.50/6,622.26 = 2,749.68/x
  3. Step 3: Cross multiply
    4,420.50x = 6,622.26 × 2,749.68
  4. Step 4: Simplify right side
    4,420.50x = 18,209,095.88
  5. Step 5: Solve for x
    x = 18,209,095.88/4,420.50
  6. Step 6: Final answer
    x = 4,119.24

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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.