Home / 5,433.75-8,146.89-2,147.22

Finding the Fourth Proportional to 5,433.75, 8,146.89 and 2,147.22

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Solution

The fourth proportional to 5,433.75, 8,146.89 and 2,147.22 is: 3,219.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,433.75 : 8,146.89 = 2,147.22 : x
  2. Step 2: Convert to fraction form
    5,433.75/8,146.89 = 2,147.22/x
  3. Step 3: Cross multiply
    5,433.75x = 8,146.89 × 2,147.22
  4. Step 4: Simplify right side
    5,433.75x = 17,493,165.15
  5. Step 5: Solve for x
    x = 17,493,165.15/5,433.75
  6. Step 6: Final answer
    x = 3,219.35

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1.5x scale

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.