Home / 4,990.41-7,475.90-2,210.49

Finding the Fourth Proportional to 4,990.41, 7,475.90 and 2,210.49

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Solution

The fourth proportional to 4,990.41, 7,475.90 and 2,210.49 is: 3,311.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.41 : 7,475.90 = 2,210.49 : x
  2. Step 2: Convert to fraction form
    4,990.41/7,475.90 = 2,210.49/x
  3. Step 3: Cross multiply
    4,990.41x = 7,475.90 × 2,210.49
  4. Step 4: Simplify right side
    4,990.41x = 16,525,391.14
  5. Step 5: Solve for x
    x = 16,525,391.14/4,990.41
  6. Step 6: Final answer
    x = 3,311.43

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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.