Home / 5,224.54-7,839.87-1,939.95

Finding the Fourth Proportional to 5,224.54, 7,839.87 and 1,939.95

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Solution

The fourth proportional to 5,224.54, 7,839.87 and 1,939.95 is: 2,911.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,224.54 : 7,839.87 = 1,939.95 : x
  2. Step 2: Convert to fraction form
    5,224.54/7,839.87 = 1,939.95/x
  3. Step 3: Cross multiply
    5,224.54x = 7,839.87 × 1,939.95
  4. Step 4: Simplify right side
    5,224.54x = 15,208,955.81
  5. Step 5: Solve for x
    x = 15,208,955.81/5,224.54
  6. Step 6: Final answer
    x = 2,911.06

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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.