Home / 8,858.38-13,285.41-2,616.70

Finding the Fourth Proportional to 8,858.38, 13,285.41 and 2,616.70

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Solution

The fourth proportional to 8,858.38, 13,285.41 and 2,616.70 is: 3,924.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858.38 : 13,285.41 = 2,616.70 : x
  2. Step 2: Convert to fraction form
    8,858.38/13,285.41 = 2,616.70/x
  3. Step 3: Cross multiply
    8,858.38x = 13,285.41 × 2,616.70
  4. Step 4: Simplify right side
    8,858.38x = 34,763,932.35
  5. Step 5: Solve for x
    x = 34,763,932.35/8,858.38
  6. Step 6: Final answer
    x = 3,924.41

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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.