Home / 8,846.78-13,268.68-2,521.21

Finding the Fourth Proportional to 8,846.78, 13,268.68 and 2,521.21

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Solution

The fourth proportional to 8,846.78, 13,268.68 and 2,521.21 is: 3,781.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,846.78 : 13,268.68 = 2,521.21 : x
  2. Step 2: Convert to fraction form
    8,846.78/13,268.68 = 2,521.21/x
  3. Step 3: Cross multiply
    8,846.78x = 13,268.68 × 2,521.21
  4. Step 4: Simplify right side
    8,846.78x = 33,453,128.70
  5. Step 5: Solve for x
    x = 33,453,128.70/8,846.78
  6. Step 6: Final answer
    x = 3,781.39

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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.