Home / 7,836.45-11,739.49-4,876.05

Finding the Fourth Proportional to 7,836.45, 11,739.49 and 4,876.05

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Solution

The fourth proportional to 7,836.45, 11,739.49 and 4,876.05 is: 7,304.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836.45 : 11,739.49 = 4,876.05 : x
  2. Step 2: Convert to fraction form
    7,836.45/11,739.49 = 4,876.05/x
  3. Step 3: Cross multiply
    7,836.45x = 11,739.49 × 4,876.05
  4. Step 4: Simplify right side
    7,836.45x = 57,242,372.05
  5. Step 5: Solve for x
    x = 57,242,372.05/7,836.45
  6. Step 6: Final answer
    x = 7,304.63

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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.