Home / 9,310.79-13,967.05-2,647.43

Finding the Fourth Proportional to 9,310.79, 13,967.05 and 2,647.43

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Solution

The fourth proportional to 9,310.79, 13,967.05 and 2,647.43 is: 3,971.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,310.79 : 13,967.05 = 2,647.43 : x
  2. Step 2: Convert to fraction form
    9,310.79/13,967.05 = 2,647.43/x
  3. Step 3: Cross multiply
    9,310.79x = 13,967.05 × 2,647.43
  4. Step 4: Simplify right side
    9,310.79x = 36,976,787.18
  5. Step 5: Solve for x
    x = 36,976,787.18/9,310.79
  6. Step 6: Final answer
    x = 3,971.39

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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.