Home / 4,935.75-6,812.16-2,839.47

Finding the Fourth Proportional to 4,935.75, 6,812.16 and 2,839.47

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Solution

The fourth proportional to 4,935.75, 6,812.16 and 2,839.47 is: 3,918.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,935.75 : 6,812.16 = 2,839.47 : x
  2. Step 2: Convert to fraction form
    4,935.75/6,812.16 = 2,839.47/x
  3. Step 3: Cross multiply
    4,935.75x = 6,812.16 × 2,839.47
  4. Step 4: Simplify right side
    4,935.75x = 19,342,923.96
  5. Step 5: Solve for x
    x = 19,342,923.96/4,935.75
  6. Step 6: Final answer
    x = 3,918.94

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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.