Home / 8,058.44-12,078.86-3,126.60

Finding the Fourth Proportional to 8,058.44, 12,078.86 and 3,126.60

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Solution

The fourth proportional to 8,058.44, 12,078.86 and 3,126.60 is: 4,686.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,058.44 : 12,078.86 = 3,126.60 : x
  2. Step 2: Convert to fraction form
    8,058.44/12,078.86 = 3,126.60/x
  3. Step 3: Cross multiply
    8,058.44x = 12,078.86 × 3,126.60
  4. Step 4: Simplify right side
    8,058.44x = 37,765,763.68
  5. Step 5: Solve for x
    x = 37,765,763.68/8,058.44
  6. Step 6: Final answer
    x = 4,686.49

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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.