Home / 4,073.20-6,105.60-2,220.40

Finding the Fourth Proportional to 4,073.20, 6,105.60 and 2,220.40

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Solution

The fourth proportional to 4,073.20, 6,105.60 and 2,220.40 is: 3,328.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,073.20 : 6,105.60 = 2,220.40 : x
  2. Step 2: Convert to fraction form
    4,073.20/6,105.60 = 2,220.40/x
  3. Step 3: Cross multiply
    4,073.20x = 6,105.60 × 2,220.40
  4. Step 4: Simplify right side
    4,073.20x = 13,556,874.24
  5. Step 5: Solve for x
    x = 13,556,874.24/4,073.20
  6. Step 6: Final answer
    x = 3,328.31

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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.