Home / 5,049.36-7,577.30-2,127.68

Finding the Fourth Proportional to 5,049.36, 7,577.30 and 2,127.68

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Solution

The fourth proportional to 5,049.36, 7,577.30 and 2,127.68 is: 3,192.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,049.36 : 7,577.30 = 2,127.68 : x
  2. Step 2: Convert to fraction form
    5,049.36/7,577.30 = 2,127.68/x
  3. Step 3: Cross multiply
    5,049.36x = 7,577.30 × 2,127.68
  4. Step 4: Simplify right side
    5,049.36x = 16,122,069.66
  5. Step 5: Solve for x
    x = 16,122,069.66/5,049.36
  6. Step 6: Final answer
    x = 3,192.89

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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.