Home / 5,657.46-7,806.44-3,172.98

Finding the Fourth Proportional to 5,657.46, 7,806.44 and 3,172.98

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Solution

The fourth proportional to 5,657.46, 7,806.44 and 3,172.98 is: 4,378.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,657.46 : 7,806.44 = 3,172.98 : x
  2. Step 2: Convert to fraction form
    5,657.46/7,806.44 = 3,172.98/x
  3. Step 3: Cross multiply
    5,657.46x = 7,806.44 × 3,172.98
  4. Step 4: Simplify right side
    5,657.46x = 24,769,677.99
  5. Step 5: Solve for x
    x = 24,769,677.99/5,657.46
  6. Step 6: Final answer
    x = 4,378.23

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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.