Home / 4,203.28-6,255.50-4,190.32

Finding the Fourth Proportional to 4,203.28, 6,255.50 and 4,190.32

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Solution

The fourth proportional to 4,203.28, 6,255.50 and 4,190.32 is: 6,236.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,203.28 : 6,255.50 = 4,190.32 : x
  2. Step 2: Convert to fraction form
    4,203.28/6,255.50 = 4,190.32/x
  3. Step 3: Cross multiply
    4,203.28x = 6,255.50 × 4,190.32
  4. Step 4: Simplify right side
    4,203.28x = 26,212,546.76
  5. Step 5: Solve for x
    x = 26,212,546.76/4,203.28
  6. Step 6: Final answer
    x = 6,236.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.