Home / 5,522.81-7,621.52-3,165.11

Finding the Fourth Proportional to 5,522.81, 7,621.52 and 3,165.11

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Solution

The fourth proportional to 5,522.81, 7,621.52 and 3,165.11 is: 4,367.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,522.81 : 7,621.52 = 3,165.11 : x
  2. Step 2: Convert to fraction form
    5,522.81/7,621.52 = 3,165.11/x
  3. Step 3: Cross multiply
    5,522.81x = 7,621.52 × 3,165.11
  4. Step 4: Simplify right side
    5,522.81x = 24,122,949.17
  5. Step 5: Solve for x
    x = 24,122,949.17/5,522.81
  6. Step 6: Final answer
    x = 4,367.88

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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.