Home / 5,085.05-7,631.34-2,416.67

Finding the Fourth Proportional to 5,085.05, 7,631.34 and 2,416.67

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Solution

The fourth proportional to 5,085.05, 7,631.34 and 2,416.67 is: 3,626.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,085.05 : 7,631.34 = 2,416.67 : x
  2. Step 2: Convert to fraction form
    5,085.05/7,631.34 = 2,416.67/x
  3. Step 3: Cross multiply
    5,085.05x = 7,631.34 × 2,416.67
  4. Step 4: Simplify right side
    5,085.05x = 18,442,380.20
  5. Step 5: Solve for x
    x = 18,442,380.20/5,085.05
  6. Step 6: Final answer
    x = 3,626.78

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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.