Home / 5,343.29-7,374.03-3,219.49

Finding the Fourth Proportional to 5,343.29, 7,374.03 and 3,219.49

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Solution

The fourth proportional to 5,343.29, 7,374.03 and 3,219.49 is: 4,443.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.29 : 7,374.03 = 3,219.49 : x
  2. Step 2: Convert to fraction form
    5,343.29/7,374.03 = 3,219.49/x
  3. Step 3: Cross multiply
    5,343.29x = 7,374.03 × 3,219.49
  4. Step 4: Simplify right side
    5,343.29x = 23,740,599.75
  5. Step 5: Solve for x
    x = 23,740,599.75/5,343.29
  6. Step 6: Final answer
    x = 4,443.07

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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.