Home / 5,523.12-7,622.09-3,165.71

Finding the Fourth Proportional to 5,523.12, 7,622.09 and 3,165.71

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Solution

The fourth proportional to 5,523.12, 7,622.09 and 3,165.71 is: 4,368.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,523.12 : 7,622.09 = 3,165.71 : x
  2. Step 2: Convert to fraction form
    5,523.12/7,622.09 = 3,165.71/x
  3. Step 3: Cross multiply
    5,523.12x = 7,622.09 × 3,165.71
  4. Step 4: Simplify right side
    5,523.12x = 24,129,272.59
  5. Step 5: Solve for x
    x = 24,129,272.59/5,523.12
  6. Step 6: Final answer
    x = 4,368.78

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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.