Home / 4,200.11-6,288.32-2,221.26

Finding the Fourth Proportional to 4,200.11, 6,288.32 and 2,221.26

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Solution

The fourth proportional to 4,200.11, 6,288.32 and 2,221.26 is: 3,325.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200.11 : 6,288.32 = 2,221.26 : x
  2. Step 2: Convert to fraction form
    4,200.11/6,288.32 = 2,221.26/x
  3. Step 3: Cross multiply
    4,200.11x = 6,288.32 × 2,221.26
  4. Step 4: Simplify right side
    4,200.11x = 13,967,963.16
  5. Step 5: Solve for x
    x = 13,967,963.16/4,200.11
  6. Step 6: Final answer
    x = 3,325.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.