Home / 4,935.60-6,810.78-2,810.82

Finding the Fourth Proportional to 4,935.60, 6,810.78 and 2,810.82

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Solution

The fourth proportional to 4,935.60, 6,810.78 and 2,810.82 is: 3,878.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,935.60 : 6,810.78 = 2,810.82 : x
  2. Step 2: Convert to fraction form
    4,935.60/6,810.78 = 2,810.82/x
  3. Step 3: Cross multiply
    4,935.60x = 6,810.78 × 2,810.82
  4. Step 4: Simplify right side
    4,935.60x = 19,143,876.64
  5. Step 5: Solve for x
    x = 19,143,876.64/4,935.60
  6. Step 6: Final answer
    x = 3,878.73

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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.