Home / 4,200.77-6,305.05-2,122.24

Finding the Fourth Proportional to 4,200.77, 6,305.05 and 2,122.24

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Solution

The fourth proportional to 4,200.77, 6,305.05 and 2,122.24 is: 3,185.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200.77 : 6,305.05 = 2,122.24 : x
  2. Step 2: Convert to fraction form
    4,200.77/6,305.05 = 2,122.24/x
  3. Step 3: Cross multiply
    4,200.77x = 6,305.05 × 2,122.24
  4. Step 4: Simplify right side
    4,200.77x = 13,380,832.12
  5. Step 5: Solve for x
    x = 13,380,832.12/4,200.77
  6. Step 6: Final answer
    x = 3,185.33

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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.