Home / 5,253.60-7,249.98-2,895.72

Finding the Fourth Proportional to 5,253.60, 7,249.98 and 2,895.72

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Solution

The fourth proportional to 5,253.60, 7,249.98 and 2,895.72 is: 3,996.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.60 : 7,249.98 = 2,895.72 : x
  2. Step 2: Convert to fraction form
    5,253.60/7,249.98 = 2,895.72/x
  3. Step 3: Cross multiply
    5,253.60x = 7,249.98 × 2,895.72
  4. Step 4: Simplify right side
    5,253.60x = 20,993,912.09
  5. Step 5: Solve for x
    x = 20,993,912.09/5,253.60
  6. Step 6: Final answer
    x = 3,996.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.