Home / 4,186.73-5,777.73-2,418.30

Finding the Fourth Proportional to 4,186.73, 5,777.73 and 2,418.30

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Solution

The fourth proportional to 4,186.73, 5,777.73 and 2,418.30 is: 3,337.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.73 : 5,777.73 = 2,418.30 : x
  2. Step 2: Convert to fraction form
    4,186.73/5,777.73 = 2,418.30/x
  3. Step 3: Cross multiply
    4,186.73x = 5,777.73 × 2,418.30
  4. Step 4: Simplify right side
    4,186.73x = 13,972,284.46
  5. Step 5: Solve for x
    x = 13,972,284.46/4,186.73
  6. Step 6: Final answer
    x = 3,337.28

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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.