Home / 5,226.48-7,836.12-2,628

Finding the Fourth Proportional to 5,226.48, 7,836.12 and 2,628

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Solution

The fourth proportional to 5,226.48, 7,836.12 and 2,628 is: 3,940.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226.48 : 7,836.12 = 2,628 : x
  2. Step 2: Convert to fraction form
    5,226.48/7,836.12 = 2,628/x
  3. Step 3: Cross multiply
    5,226.48x = 7,836.12 × 2,628
  4. Step 4: Simplify right side
    5,226.48x = 20,593,323.36
  5. Step 5: Solve for x
    x = 20,593,323.36/5,226.48
  6. Step 6: Final answer
    x = 3,940.19

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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.