Home / 4,940.96-6,818.80-2,816.60

Finding the Fourth Proportional to 4,940.96, 6,818.80 and 2,816.60

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Solution

The fourth proportional to 4,940.96, 6,818.80 and 2,816.60 is: 3,887.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,940.96 : 6,818.80 = 2,816.60 : x
  2. Step 2: Convert to fraction form
    4,940.96/6,818.80 = 2,816.60/x
  3. Step 3: Cross multiply
    4,940.96x = 6,818.80 × 2,816.60
  4. Step 4: Simplify right side
    4,940.96x = 19,205,832.08
  5. Step 5: Solve for x
    x = 19,205,832.08/4,940.96
  6. Step 6: Final answer
    x = 3,887.06

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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.