Home / 4,935.12-6,809.40-2,839.44

Finding the Fourth Proportional to 4,935.12, 6,809.40 and 2,839.44

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Solution

The fourth proportional to 4,935.12, 6,809.40 and 2,839.44 is: 3,917.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,935.12 : 6,809.40 = 2,839.44 : x
  2. Step 2: Convert to fraction form
    4,935.12/6,809.40 = 2,839.44/x
  3. Step 3: Cross multiply
    4,935.12x = 6,809.40 × 2,839.44
  4. Step 4: Simplify right side
    4,935.12x = 19,334,882.74
  5. Step 5: Solve for x
    x = 19,334,882.74/4,935.12
  6. Step 6: Final answer
    x = 3,917.81

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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.