Home / 5,253.99-7,250.77-2,896.12

Finding the Fourth Proportional to 5,253.99, 7,250.77 and 2,896.12

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Solution

The fourth proportional to 5,253.99, 7,250.77 and 2,896.12 is: 3,996.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.99 : 7,250.77 = 2,896.12 : x
  2. Step 2: Convert to fraction form
    5,253.99/7,250.77 = 2,896.12/x
  3. Step 3: Cross multiply
    5,253.99x = 7,250.77 × 2,896.12
  4. Step 4: Simplify right side
    5,253.99x = 20,999,100.01
  5. Step 5: Solve for x
    x = 20,999,100.01/5,253.99
  6. Step 6: Final answer
    x = 3,996.79

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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.