Home / 4,935.52-6,811.84-2,839.20

Finding the Fourth Proportional to 4,935.52, 6,811.84 and 2,839.20

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Solution

The fourth proportional to 4,935.52, 6,811.84 and 2,839.20 is: 3,918.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,935.52 : 6,811.84 = 2,839.20 : x
  2. Step 2: Convert to fraction form
    4,935.52/6,811.84 = 2,839.20/x
  3. Step 3: Cross multiply
    4,935.52x = 6,811.84 × 2,839.20
  4. Step 4: Simplify right side
    4,935.52x = 19,340,176.13
  5. Step 5: Solve for x
    x = 19,340,176.13/4,935.52
  6. Step 6: Final answer
    x = 3,918.57

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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.