Home / 4,828.88-6,661.62-2,839.40

Finding the Fourth Proportional to 4,828.88, 6,661.62 and 2,839.40

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Solution

The fourth proportional to 4,828.88, 6,661.62 and 2,839.40 is: 3,917.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,828.88 : 6,661.62 = 2,839.40 : x
  2. Step 2: Convert to fraction form
    4,828.88/6,661.62 = 2,839.40/x
  3. Step 3: Cross multiply
    4,828.88x = 6,661.62 × 2,839.40
  4. Step 4: Simplify right side
    4,828.88x = 18,915,003.83
  5. Step 5: Solve for x
    x = 18,915,003.83/4,828.88
  6. Step 6: Final answer
    x = 3,917.06

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1.5x scale

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.