Home / 5,433.88-8,153.61-2,660.50

Finding the Fourth Proportional to 5,433.88, 8,153.61 and 2,660.50

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Solution

The fourth proportional to 5,433.88, 8,153.61 and 2,660.50 is: 3,992.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,433.88 : 8,153.61 = 2,660.50 : x
  2. Step 2: Convert to fraction form
    5,433.88/8,153.61 = 2,660.50/x
  3. Step 3: Cross multiply
    5,433.88x = 8,153.61 × 2,660.50
  4. Step 4: Simplify right side
    5,433.88x = 21,692,679.41
  5. Step 5: Solve for x
    x = 21,692,679.41/5,433.88
  6. Step 6: Final answer
    x = 3,992.12

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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.