Home / 4,255.12-6,373.44-2,171.56

Finding the Fourth Proportional to 4,255.12, 6,373.44 and 2,171.56

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Solution

The fourth proportional to 4,255.12, 6,373.44 and 2,171.56 is: 3,252.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.12 : 6,373.44 = 2,171.56 : x
  2. Step 2: Convert to fraction form
    4,255.12/6,373.44 = 2,171.56/x
  3. Step 3: Cross multiply
    4,255.12x = 6,373.44 × 2,171.56
  4. Step 4: Simplify right side
    4,255.12x = 13,840,307.37
  5. Step 5: Solve for x
    x = 13,840,307.37/4,255.12
  6. Step 6: Final answer
    x = 3,252.62

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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.