Home / 5,134.89-7,086.13-2,777.03

Finding the Fourth Proportional to 5,134.89, 7,086.13 and 2,777.03

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Solution

The fourth proportional to 5,134.89, 7,086.13 and 2,777.03 is: 3,832.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.89 : 7,086.13 = 2,777.03 : x
  2. Step 2: Convert to fraction form
    5,134.89/7,086.13 = 2,777.03/x
  3. Step 3: Cross multiply
    5,134.89x = 7,086.13 × 2,777.03
  4. Step 4: Simplify right side
    5,134.89x = 19,678,406.37
  5. Step 5: Solve for x
    x = 19,678,406.37/5,134.89
  6. Step 6: Final answer
    x = 3,832.29

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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.