Home / 4,081.62-5,630.13-3,558.90

Finding the Fourth Proportional to 4,081.62, 5,630.13 and 3,558.90

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Solution

The fourth proportional to 4,081.62, 5,630.13 and 3,558.90 is: 4,909.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.62 : 5,630.13 = 3,558.90 : x
  2. Step 2: Convert to fraction form
    4,081.62/5,630.13 = 3,558.90/x
  3. Step 3: Cross multiply
    4,081.62x = 5,630.13 × 3,558.90
  4. Step 4: Simplify right side
    4,081.62x = 20,037,069.66
  5. Step 5: Solve for x
    x = 20,037,069.66/4,081.62
  6. Step 6: Final answer
    x = 4,909.10

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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.