Home / 5,612.19-8,419.50-2,149.44

Finding the Fourth Proportional to 5,612.19, 8,419.50 and 2,149.44

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Solution

The fourth proportional to 5,612.19, 8,419.50 and 2,149.44 is: 3,224.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612.19 : 8,419.50 = 2,149.44 : x
  2. Step 2: Convert to fraction form
    5,612.19/8,419.50 = 2,149.44/x
  3. Step 3: Cross multiply
    5,612.19x = 8,419.50 × 2,149.44
  4. Step 4: Simplify right side
    5,612.19x = 18,097,210.08
  5. Step 5: Solve for x
    x = 18,097,210.08/5,612.19
  6. Step 6: Final answer
    x = 3,224.63

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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.