Home / 5,172.91-7,146.98-3,607.99

Finding the Fourth Proportional to 5,172.91, 7,146.98 and 3,607.99

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Solution

The fourth proportional to 5,172.91, 7,146.98 and 3,607.99 is: 4,984.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172.91 : 7,146.98 = 3,607.99 : x
  2. Step 2: Convert to fraction form
    5,172.91/7,146.98 = 3,607.99/x
  3. Step 3: Cross multiply
    5,172.91x = 7,146.98 × 3,607.99
  4. Step 4: Simplify right side
    5,172.91x = 25,786,232.37
  5. Step 5: Solve for x
    x = 25,786,232.37/5,172.91
  6. Step 6: Final answer
    x = 4,984.86

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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.