Home / 4,940.64-6,818.74-3,177.37

Finding the Fourth Proportional to 4,940.64, 6,818.74 and 3,177.37

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Solution

The fourth proportional to 4,940.64, 6,818.74 and 3,177.37 is: 4,385.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,940.64 : 6,818.74 = 3,177.37 : x
  2. Step 2: Convert to fraction form
    4,940.64/6,818.74 = 3,177.37/x
  3. Step 3: Cross multiply
    4,940.64x = 6,818.74 × 3,177.37
  4. Step 4: Simplify right side
    4,940.64x = 21,665,659.91
  5. Step 5: Solve for x
    x = 21,665,659.91/4,940.64
  6. Step 6: Final answer
    x = 4,385.19

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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.