Home / 4,920.43-7,376.46-3,993.67

Finding the Fourth Proportional to 4,920.43, 7,376.46 and 3,993.67

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Solution

The fourth proportional to 4,920.43, 7,376.46 and 3,993.67 is: 5,987.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.43 : 7,376.46 = 3,993.67 : x
  2. Step 2: Convert to fraction form
    4,920.43/7,376.46 = 3,993.67/x
  3. Step 3: Cross multiply
    4,920.43x = 7,376.46 × 3,993.67
  4. Step 4: Simplify right side
    4,920.43x = 29,459,147.01
  5. Step 5: Solve for x
    x = 29,459,147.01/4,920.43
  6. Step 6: Final answer
    x = 5,987.11

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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.