Home / 4,990.91-7,483.41-2,216.25

Finding the Fourth Proportional to 4,990.91, 7,483.41 and 2,216.25

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Solution

The fourth proportional to 4,990.91, 7,483.41 and 2,216.25 is: 3,323.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.91 : 7,483.41 = 2,216.25 : x
  2. Step 2: Convert to fraction form
    4,990.91/7,483.41 = 2,216.25/x
  3. Step 3: Cross multiply
    4,990.91x = 7,483.41 × 2,216.25
  4. Step 4: Simplify right side
    4,990.91x = 16,585,107.41
  5. Step 5: Solve for x
    x = 16,585,107.41/4,990.91
  6. Step 6: Final answer
    x = 3,323.07

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1.5x scale

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.