Home / 6,663.28-9,993.98-4,190.56

Finding the Fourth Proportional to 6,663.28, 9,993.98 and 4,190.56

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Solution

The fourth proportional to 6,663.28, 9,993.98 and 4,190.56 is: 6,285.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,663.28 : 9,993.98 = 4,190.56 : x
  2. Step 2: Convert to fraction form
    6,663.28/9,993.98 = 4,190.56/x
  3. Step 3: Cross multiply
    6,663.28x = 9,993.98 × 4,190.56
  4. Step 4: Simplify right side
    6,663.28x = 41,880,372.83
  5. Step 5: Solve for x
    x = 41,880,372.83/6,663.28
  6. Step 6: Final answer
    x = 6,285.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.