Home / 5,612.22-7,744.82-3,255.70

Finding the Fourth Proportional to 5,612.22, 7,744.82 and 3,255.70

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Solution

The fourth proportional to 5,612.22, 7,744.82 and 3,255.70 is: 4,492.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612.22 : 7,744.82 = 3,255.70 : x
  2. Step 2: Convert to fraction form
    5,612.22/7,744.82 = 3,255.70/x
  3. Step 3: Cross multiply
    5,612.22x = 7,744.82 × 3,255.70
  4. Step 4: Simplify right side
    5,612.22x = 25,214,810.47
  5. Step 5: Solve for x
    x = 25,214,810.47/5,612.22
  6. Step 6: Final answer
    x = 4,492.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.