Home / 5,626.20-8,443.52-2,119.67

Finding the Fourth Proportional to 5,626.20, 8,443.52 and 2,119.67

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Solution

The fourth proportional to 5,626.20, 8,443.52 and 2,119.67 is: 3,181.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,626.20 : 8,443.52 = 2,119.67 : x
  2. Step 2: Convert to fraction form
    5,626.20/8,443.52 = 2,119.67/x
  3. Step 3: Cross multiply
    5,626.20x = 8,443.52 × 2,119.67
  4. Step 4: Simplify right side
    5,626.20x = 17,897,423.22
  5. Step 5: Solve for x
    x = 17,897,423.22/5,626.20
  6. Step 6: Final answer
    x = 3,181.09

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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.