Home / 4,994.26-7,485.69-3,121.01

Finding the Fourth Proportional to 4,994.26, 7,485.69 and 3,121.01

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Solution

The fourth proportional to 4,994.26, 7,485.69 and 3,121.01 is: 4,677.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,994.26 : 7,485.69 = 3,121.01 : x
  2. Step 2: Convert to fraction form
    4,994.26/7,485.69 = 3,121.01/x
  3. Step 3: Cross multiply
    4,994.26x = 7,485.69 × 3,121.01
  4. Step 4: Simplify right side
    4,994.26x = 23,362,915.69
  5. Step 5: Solve for x
    x = 23,362,915.69/4,994.26
  6. Step 6: Final answer
    x = 4,677.96

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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.