Home / 6,939.54-10,402.02-2,554.20

Finding the Fourth Proportional to 6,939.54, 10,402.02 and 2,554.20

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Solution

The fourth proportional to 6,939.54, 10,402.02 and 2,554.20 is: 3,828.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.54 : 10,402.02 = 2,554.20 : x
  2. Step 2: Convert to fraction form
    6,939.54/10,402.02 = 2,554.20/x
  3. Step 3: Cross multiply
    6,939.54x = 10,402.02 × 2,554.20
  4. Step 4: Simplify right side
    6,939.54x = 26,568,839.48
  5. Step 5: Solve for x
    x = 26,568,839.48/6,939.54
  6. Step 6: Final answer
    x = 3,828.62

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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.