Home / 5,522.56-7,621.82-3,427

Finding the Fourth Proportional to 5,522.56, 7,621.82 and 3,427

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Solution

The fourth proportional to 5,522.56, 7,621.82 and 3,427 is: 4,729.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,522.56 : 7,621.82 = 3,427 : x
  2. Step 2: Convert to fraction form
    5,522.56/7,621.82 = 3,427/x
  3. Step 3: Cross multiply
    5,522.56x = 7,621.82 × 3,427
  4. Step 4: Simplify right side
    5,522.56x = 26,119,977.14
  5. Step 5: Solve for x
    x = 26,119,977.14/5,522.56
  6. Step 6: Final answer
    x = 4,729.69

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1.5x scale

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.