Home / 8,619.26-11,899.12-5,801.44

Finding the Fourth Proportional to 8,619.26, 11,899.12 and 5,801.44

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Solution

The fourth proportional to 8,619.26, 11,899.12 and 5,801.44 is: 8,009.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,619.26 : 11,899.12 = 5,801.44 : x
  2. Step 2: Convert to fraction form
    8,619.26/11,899.12 = 5,801.44/x
  3. Step 3: Cross multiply
    8,619.26x = 11,899.12 × 5,801.44
  4. Step 4: Simplify right side
    8,619.26x = 69,032,030.73
  5. Step 5: Solve for x
    x = 69,032,030.73/8,619.26
  6. Step 6: Final answer
    x = 8,009.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.