Home / 4,006.26-5,528.58-2,189.28

Finding the Fourth Proportional to 4,006.26, 5,528.58 and 2,189.28

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Solution

The fourth proportional to 4,006.26, 5,528.58 and 2,189.28 is: 3,021.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,006.26 : 5,528.58 = 2,189.28 : x
  2. Step 2: Convert to fraction form
    4,006.26/5,528.58 = 2,189.28/x
  3. Step 3: Cross multiply
    4,006.26x = 5,528.58 × 2,189.28
  4. Step 4: Simplify right side
    4,006.26x = 12,103,609.62
  5. Step 5: Solve for x
    x = 12,103,609.62/4,006.26
  6. Step 6: Final answer
    x = 3,021.17

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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.