Home / 8,789.78-13,183.29-2,946.44

Finding the Fourth Proportional to 8,789.78, 13,183.29 and 2,946.44

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Solution

The fourth proportional to 8,789.78, 13,183.29 and 2,946.44 is: 4,419.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789.78 : 13,183.29 = 2,946.44 : x
  2. Step 2: Convert to fraction form
    8,789.78/13,183.29 = 2,946.44/x
  3. Step 3: Cross multiply
    8,789.78x = 13,183.29 × 2,946.44
  4. Step 4: Simplify right side
    8,789.78x = 38,843,772.99
  5. Step 5: Solve for x
    x = 38,843,772.99/8,789.78
  6. Step 6: Final answer
    x = 4,419.20

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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.