Home / 4,253.94-6,382.20-2,175.40

Finding the Fourth Proportional to 4,253.94, 6,382.20 and 2,175.40

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Solution

The fourth proportional to 4,253.94, 6,382.20 and 2,175.40 is: 3,263.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.94 : 6,382.20 = 2,175.40 : x
  2. Step 2: Convert to fraction form
    4,253.94/6,382.20 = 2,175.40/x
  3. Step 3: Cross multiply
    4,253.94x = 6,382.20 × 2,175.40
  4. Step 4: Simplify right side
    4,253.94x = 13,883,837.88
  5. Step 5: Solve for x
    x = 13,883,837.88/4,253.94
  6. Step 6: Final answer
    x = 3,263.76

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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.