Home / 8,689.06-13,033.68-2,845.72

Finding the Fourth Proportional to 8,689.06, 13,033.68 and 2,845.72

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Solution

The fourth proportional to 8,689.06, 13,033.68 and 2,845.72 is: 4,268.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,689.06 : 13,033.68 = 2,845.72 : x
  2. Step 2: Convert to fraction form
    8,689.06/13,033.68 = 2,845.72/x
  3. Step 3: Cross multiply
    8,689.06x = 13,033.68 × 2,845.72
  4. Step 4: Simplify right side
    8,689.06x = 37,090,203.85
  5. Step 5: Solve for x
    x = 37,090,203.85/8,689.06
  6. Step 6: Final answer
    x = 4,268.61

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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.