Home / 8,819.28-13,228.55-2,245.62

Finding the Fourth Proportional to 8,819.28, 13,228.55 and 2,245.62

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Solution

The fourth proportional to 8,819.28, 13,228.55 and 2,245.62 is: 3,368.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,819.28 : 13,228.55 = 2,245.62 : x
  2. Step 2: Convert to fraction form
    8,819.28/13,228.55 = 2,245.62/x
  3. Step 3: Cross multiply
    8,819.28x = 13,228.55 × 2,245.62
  4. Step 4: Simplify right side
    8,819.28x = 29,706,343.25
  5. Step 5: Solve for x
    x = 29,706,343.25/8,819.28
  6. Step 6: Final answer
    x = 3,368.34

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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.