Home / 4,253.99-6,382.80-2,872.53

Finding the Fourth Proportional to 4,253.99, 6,382.80 and 2,872.53

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Solution

The fourth proportional to 4,253.99, 6,382.80 and 2,872.53 is: 4,310.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.99 : 6,382.80 = 2,872.53 : x
  2. Step 2: Convert to fraction form
    4,253.99/6,382.80 = 2,872.53/x
  3. Step 3: Cross multiply
    4,253.99x = 6,382.80 × 2,872.53
  4. Step 4: Simplify right side
    4,253.99x = 18,334,784.48
  5. Step 5: Solve for x
    x = 18,334,784.48/4,253.99
  6. Step 6: Final answer
    x = 4,310.03

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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.