Home / 9,291.80-13,939.70-2,717.48

Finding the Fourth Proportional to 9,291.80, 13,939.70 and 2,717.48

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Solution

The fourth proportional to 9,291.80, 13,939.70 and 2,717.48 is: 4,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,291.80 : 13,939.70 = 2,717.48 : x
  2. Step 2: Convert to fraction form
    9,291.80/13,939.70 = 2,717.48/x
  3. Step 3: Cross multiply
    9,291.80x = 13,939.70 × 2,717.48
  4. Step 4: Simplify right side
    9,291.80x = 37,880,855.96
  5. Step 5: Solve for x
    x = 37,880,855.96/9,291.80
  6. Step 6: Final answer
    x = 4,076.80

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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.