Home / 4,006.75-5,528.91-2,305.21

Finding the Fourth Proportional to 4,006.75, 5,528.91 and 2,305.21

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Solution

The fourth proportional to 4,006.75, 5,528.91 and 2,305.21 is: 3,180.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,006.75 : 5,528.91 = 2,305.21 : x
  2. Step 2: Convert to fraction form
    4,006.75/5,528.91 = 2,305.21/x
  3. Step 3: Cross multiply
    4,006.75x = 5,528.91 × 2,305.21
  4. Step 4: Simplify right side
    4,006.75x = 12,745,298.62
  5. Step 5: Solve for x
    x = 12,745,298.62/4,006.75
  6. Step 6: Final answer
    x = 3,180.96

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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.