Home / 5,612.94-8,419.41-2,492.21

Finding the Fourth Proportional to 5,612.94, 8,419.41 and 2,492.21

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Solution

The fourth proportional to 5,612.94, 8,419.41 and 2,492.21 is: 3,738.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612.94 : 8,419.41 = 2,492.21 : x
  2. Step 2: Convert to fraction form
    5,612.94/8,419.41 = 2,492.21/x
  3. Step 3: Cross multiply
    5,612.94x = 8,419.41 × 2,492.21
  4. Step 4: Simplify right side
    5,612.94x = 20,982,938.39
  5. Step 5: Solve for x
    x = 20,982,938.39/5,612.94
  6. Step 6: Final answer
    x = 3,738.32

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Similar ratio
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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.