Home / 8,579.23-11,839.43-5,042.50

Finding the Fourth Proportional to 8,579.23, 11,839.43 and 5,042.50

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Solution

The fourth proportional to 8,579.23, 11,839.43 and 5,042.50 is: 6,958.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579.23 : 11,839.43 = 5,042.50 : x
  2. Step 2: Convert to fraction form
    8,579.23/11,839.43 = 5,042.50/x
  3. Step 3: Cross multiply
    8,579.23x = 11,839.43 × 5,042.50
  4. Step 4: Simplify right side
    8,579.23x = 59,700,325.78
  5. Step 5: Solve for x
    x = 59,700,325.78/8,579.23
  6. Step 6: Final answer
    x = 6,958.70

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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.