Home / 5,431.34-7,494.33-3,163.16

Finding the Fourth Proportional to 5,431.34, 7,494.33 and 3,163.16

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Solution

The fourth proportional to 5,431.34, 7,494.33 and 3,163.16 is: 4,364.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431.34 : 7,494.33 = 3,163.16 : x
  2. Step 2: Convert to fraction form
    5,431.34/7,494.33 = 3,163.16/x
  3. Step 3: Cross multiply
    5,431.34x = 7,494.33 × 3,163.16
  4. Step 4: Simplify right side
    5,431.34x = 23,705,711.60
  5. Step 5: Solve for x
    x = 23,705,711.60/5,431.34
  6. Step 6: Final answer
    x = 4,364.62

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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.