Home / 4,971.80-7,450.70-3,927.22

Finding the Fourth Proportional to 4,971.80, 7,450.70 and 3,927.22

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Solution

The fourth proportional to 4,971.80, 7,450.70 and 3,927.22 is: 5,885.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.80 : 7,450.70 = 3,927.22 : x
  2. Step 2: Convert to fraction form
    4,971.80/7,450.70 = 3,927.22/x
  3. Step 3: Cross multiply
    4,971.80x = 7,450.70 × 3,927.22
  4. Step 4: Simplify right side
    4,971.80x = 29,260,538.05
  5. Step 5: Solve for x
    x = 29,260,538.05/4,971.80
  6. Step 6: Final answer
    x = 5,885.30

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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.