Home / 8,052.38-12,078.56-2,858.26

Finding the Fourth Proportional to 8,052.38, 12,078.56 and 2,858.26

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Solution

The fourth proportional to 8,052.38, 12,078.56 and 2,858.26 is: 4,287.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,052.38 : 12,078.56 = 2,858.26 : x
  2. Step 2: Convert to fraction form
    8,052.38/12,078.56 = 2,858.26/x
  3. Step 3: Cross multiply
    8,052.38x = 12,078.56 × 2,858.26
  4. Step 4: Simplify right side
    8,052.38x = 34,523,664.91
  5. Step 5: Solve for x
    x = 34,523,664.91/8,052.38
  6. Step 6: Final answer
    x = 4,287.39

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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.