Home / 5,491.34-8,233.42-3,119.48

Finding the Fourth Proportional to 5,491.34, 8,233.42 and 3,119.48

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Solution

The fourth proportional to 5,491.34, 8,233.42 and 3,119.48 is: 4,677.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491.34 : 8,233.42 = 3,119.48 : x
  2. Step 2: Convert to fraction form
    5,491.34/8,233.42 = 3,119.48/x
  3. Step 3: Cross multiply
    5,491.34x = 8,233.42 × 3,119.48
  4. Step 4: Simplify right side
    5,491.34x = 25,683,989.02
  5. Step 5: Solve for x
    x = 25,683,989.02/5,491.34
  6. Step 6: Final answer
    x = 4,677.18

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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.