Home / 4,589.36-6,339.11-3,990.67

Finding the Fourth Proportional to 4,589.36, 6,339.11 and 3,990.67

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Solution

The fourth proportional to 4,589.36, 6,339.11 and 3,990.67 is: 5,512.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,589.36 : 6,339.11 = 3,990.67 : x
  2. Step 2: Convert to fraction form
    4,589.36/6,339.11 = 3,990.67/x
  3. Step 3: Cross multiply
    4,589.36x = 6,339.11 × 3,990.67
  4. Step 4: Simplify right side
    4,589.36x = 25,297,282.75
  5. Step 5: Solve for x
    x = 25,297,282.75/4,589.36
  6. Step 6: Final answer
    x = 5,512.16

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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.