Home / 4,935.47-6,811.39-2,810.54

Finding the Fourth Proportional to 4,935.47, 6,811.39 and 2,810.54

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Solution

The fourth proportional to 4,935.47, 6,811.39 and 2,810.54 is: 3,878.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,935.47 : 6,811.39 = 2,810.54 : x
  2. Step 2: Convert to fraction form
    4,935.47/6,811.39 = 2,810.54/x
  3. Step 3: Cross multiply
    4,935.47x = 6,811.39 × 2,810.54
  4. Step 4: Simplify right side
    4,935.47x = 19,143,656.70
  5. Step 5: Solve for x
    x = 19,143,656.70/4,935.47
  6. Step 6: Final answer
    x = 3,878.79

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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.