Home / 4,989.44-6,880-3,589.12

Finding the Fourth Proportional to 4,989.44, 6,880 and 3,589.12

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Solution

The fourth proportional to 4,989.44, 6,880 and 3,589.12 is: 4,949.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.44 : 6,880 = 3,589.12 : x
  2. Step 2: Convert to fraction form
    4,989.44/6,880 = 3,589.12/x
  3. Step 3: Cross multiply
    4,989.44x = 6,880 × 3,589.12
  4. Step 4: Simplify right side
    4,989.44x = 24,693,145.60
  5. Step 5: Solve for x
    x = 24,693,145.60/4,989.44
  6. Step 6: Final answer
    x = 4,949.08

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1.5x scale

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.