Home / 5,416.23-8,121.91-2,492.94

Finding the Fourth Proportional to 5,416.23, 8,121.91 and 2,492.94

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Solution

The fourth proportional to 5,416.23, 8,121.91 and 2,492.94 is: 3,738.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.23 : 8,121.91 = 2,492.94 : x
  2. Step 2: Convert to fraction form
    5,416.23/8,121.91 = 2,492.94/x
  3. Step 3: Cross multiply
    5,416.23x = 8,121.91 × 2,492.94
  4. Step 4: Simplify right side
    5,416.23x = 20,247,434.32
  5. Step 5: Solve for x
    x = 20,247,434.32/5,416.23
  6. Step 6: Final answer
    x = 3,738.29

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.