Home / 5,134.94-7,086.23-2,777.09

Finding the Fourth Proportional to 5,134.94, 7,086.23 and 2,777.09

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Solution

The fourth proportional to 5,134.94, 7,086.23 and 2,777.09 is: 3,832.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.94 : 7,086.23 = 2,777.09 : x
  2. Step 2: Convert to fraction form
    5,134.94/7,086.23 = 2,777.09/x
  3. Step 3: Cross multiply
    5,134.94x = 7,086.23 × 2,777.09
  4. Step 4: Simplify right side
    5,134.94x = 19,679,051.76
  5. Step 5: Solve for x
    x = 19,679,051.76/5,134.94
  6. Step 6: Final answer
    x = 3,832.38

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Half scale
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Double scale
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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.