Home / 5,330.66-7,356.29-2,940.57

Finding the Fourth Proportional to 5,330.66, 7,356.29 and 2,940.57

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Solution

The fourth proportional to 5,330.66, 7,356.29 and 2,940.57 is: 4,057.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.66 : 7,356.29 = 2,940.57 : x
  2. Step 2: Convert to fraction form
    5,330.66/7,356.29 = 2,940.57/x
  3. Step 3: Cross multiply
    5,330.66x = 7,356.29 × 2,940.57
  4. Step 4: Simplify right side
    5,330.66x = 21,631,634.20
  5. Step 5: Solve for x
    x = 21,631,634.20/5,330.66
  6. Step 6: Final answer
    x = 4,057.97

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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.