Home / 5,522.13-7,620.81-3,164.28

Finding the Fourth Proportional to 5,522.13, 7,620.81 and 3,164.28

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Solution

The fourth proportional to 5,522.13, 7,620.81 and 3,164.28 is: 4,366.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,522.13 : 7,620.81 = 3,164.28 : x
  2. Step 2: Convert to fraction form
    5,522.13/7,620.81 = 3,164.28/x
  3. Step 3: Cross multiply
    5,522.13x = 7,620.81 × 3,164.28
  4. Step 4: Simplify right side
    5,522.13x = 24,114,336.22
  5. Step 5: Solve for x
    x = 24,114,336.22/5,522.13
  6. Step 6: Final answer
    x = 4,366.85

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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.