Home / 5,553.16-7,660.66-3,313.56

Finding the Fourth Proportional to 5,553.16, 7,660.66 and 3,313.56

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Solution

The fourth proportional to 5,553.16, 7,660.66 and 3,313.56 is: 4,571.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.16 : 7,660.66 = 3,313.56 : x
  2. Step 2: Convert to fraction form
    5,553.16/7,660.66 = 3,313.56/x
  3. Step 3: Cross multiply
    5,553.16x = 7,660.66 × 3,313.56
  4. Step 4: Simplify right side
    5,553.16x = 25,384,056.55
  5. Step 5: Solve for x
    x = 25,384,056.55/5,553.16
  6. Step 6: Final answer
    x = 4,571.10

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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.