Home / 5,226.77-7,836.33-1,939.88

Finding the Fourth Proportional to 5,226.77, 7,836.33 and 1,939.88

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Solution

The fourth proportional to 5,226.77, 7,836.33 and 1,939.88 is: 2,908.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226.77 : 7,836.33 = 1,939.88 : x
  2. Step 2: Convert to fraction form
    5,226.77/7,836.33 = 1,939.88/x
  3. Step 3: Cross multiply
    5,226.77x = 7,836.33 × 1,939.88
  4. Step 4: Simplify right side
    5,226.77x = 15,201,539.84
  5. Step 5: Solve for x
    x = 15,201,539.84/5,226.77
  6. Step 6: Final answer
    x = 2,908.40

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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.