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Finding the Fourth Proportional to 5,509.50, 7,601.12 and 3,622.12

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Solution

The fourth proportional to 5,509.50, 7,601.12 and 3,622.12 is: 4,997.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.50 : 7,601.12 = 3,622.12 : x
  2. Step 2: Convert to fraction form
    5,509.50/7,601.12 = 3,622.12/x
  3. Step 3: Cross multiply
    5,509.50x = 7,601.12 × 3,622.12
  4. Step 4: Simplify right side
    5,509.50x = 27,532,168.77
  5. Step 5: Solve for x
    x = 27,532,168.77/5,509.50
  6. Step 6: Final answer
    x = 4,997.22

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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.