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Finding the Fourth Proportional to 5,517.99, 7,601.94 and 4,517.43

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Solution

The fourth proportional to 5,517.99, 7,601.94 and 4,517.43 is: 6,223.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.99 : 7,601.94 = 4,517.43 : x
  2. Step 2: Convert to fraction form
    5,517.99/7,601.94 = 4,517.43/x
  3. Step 3: Cross multiply
    5,517.99x = 7,601.94 × 4,517.43
  4. Step 4: Simplify right side
    5,517.99x = 34,341,231.81
  5. Step 5: Solve for x
    x = 34,341,231.81/5,517.99
  6. Step 6: Final answer
    x = 6,223.50

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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.