Home / 8,858.70-13,289.49-2,619.35

Finding the Fourth Proportional to 8,858.70, 13,289.49 and 2,619.35

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Solution

The fourth proportional to 8,858.70, 13,289.49 and 2,619.35 is: 3,929.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858.70 : 13,289.49 = 2,619.35 : x
  2. Step 2: Convert to fraction form
    8,858.70/13,289.49 = 2,619.35/x
  3. Step 3: Cross multiply
    8,858.70x = 13,289.49 × 2,619.35
  4. Step 4: Simplify right side
    8,858.70x = 34,809,759.18
  5. Step 5: Solve for x
    x = 34,809,759.18/8,858.70
  6. Step 6: Final answer
    x = 3,929.44

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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.