Home / 8,820.99-13,231.55-2,247.20

Finding the Fourth Proportional to 8,820.99, 13,231.55 and 2,247.20

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Solution

The fourth proportional to 8,820.99, 13,231.55 and 2,247.20 is: 3,370.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,820.99 : 13,231.55 = 2,247.20 : x
  2. Step 2: Convert to fraction form
    8,820.99/13,231.55 = 2,247.20/x
  3. Step 3: Cross multiply
    8,820.99x = 13,231.55 × 2,247.20
  4. Step 4: Simplify right side
    8,820.99x = 29,733,861.77
  5. Step 5: Solve for x
    x = 29,733,861.77/8,820.99
  6. Step 6: Final answer
    x = 3,370.81

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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.