Home / 8,858.19-13,287.27-2,618.28

Finding the Fourth Proportional to 8,858.19, 13,287.27 and 2,618.28

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Solution

The fourth proportional to 8,858.19, 13,287.27 and 2,618.28 is: 3,927.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858.19 : 13,287.27 = 2,618.28 : x
  2. Step 2: Convert to fraction form
    8,858.19/13,287.27 = 2,618.28/x
  3. Step 3: Cross multiply
    8,858.19x = 13,287.27 × 2,618.28
  4. Step 4: Simplify right side
    8,858.19x = 34,789,793.30
  5. Step 5: Solve for x
    x = 34,789,793.30/8,858.19
  6. Step 6: Final answer
    x = 3,927.42

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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.