Home / 4,188.32-6,283.85-2,107.25

Finding the Fourth Proportional to 4,188.32, 6,283.85 and 2,107.25

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Solution

The fourth proportional to 4,188.32, 6,283.85 and 2,107.25 is: 3,161.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.32 : 6,283.85 = 2,107.25 : x
  2. Step 2: Convert to fraction form
    4,188.32/6,283.85 = 2,107.25/x
  3. Step 3: Cross multiply
    4,188.32x = 6,283.85 × 2,107.25
  4. Step 4: Simplify right side
    4,188.32x = 13,241,600.96
  5. Step 5: Solve for x
    x = 13,241,600.96/4,188.32
  6. Step 6: Final answer
    x = 3,161.56

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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.