Home / 5,416.20-7,471.62-3,423.42

Finding the Fourth Proportional to 5,416.20, 7,471.62 and 3,423.42

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Solution

The fourth proportional to 5,416.20, 7,471.62 and 3,423.42 is: 4,722.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.20 : 7,471.62 = 3,423.42 : x
  2. Step 2: Convert to fraction form
    5,416.20/7,471.62 = 3,423.42/x
  3. Step 3: Cross multiply
    5,416.20x = 7,471.62 × 3,423.42
  4. Step 4: Simplify right side
    5,416.20x = 25,578,493.34
  5. Step 5: Solve for x
    x = 25,578,493.34/5,416.20
  6. Step 6: Final answer
    x = 4,722.59

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