Home / 5,286.22-7,294.39-2,927.77

Finding the Fourth Proportional to 5,286.22, 7,294.39 and 2,927.77

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Solution

The fourth proportional to 5,286.22, 7,294.39 and 2,927.77 is: 4,039.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.22 : 7,294.39 = 2,927.77 : x
  2. Step 2: Convert to fraction form
    5,286.22/7,294.39 = 2,927.77/x
  3. Step 3: Cross multiply
    5,286.22x = 7,294.39 × 2,927.77
  4. Step 4: Simplify right side
    5,286.22x = 21,356,296.21
  5. Step 5: Solve for x
    x = 21,356,296.21/5,286.22
  6. Step 6: Final answer
    x = 4,039.99

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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.