Home / 8,408.43-12,606.48-2,860.28

Finding the Fourth Proportional to 8,408.43, 12,606.48 and 2,860.28

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Solution

The fourth proportional to 8,408.43, 12,606.48 and 2,860.28 is: 4,288.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,408.43 : 12,606.48 = 2,860.28 : x
  2. Step 2: Convert to fraction form
    8,408.43/12,606.48 = 2,860.28/x
  3. Step 3: Cross multiply
    8,408.43x = 12,606.48 × 2,860.28
  4. Step 4: Simplify right side
    8,408.43x = 36,058,057.58
  5. Step 5: Solve for x
    x = 36,058,057.58/8,408.43
  6. Step 6: Final answer
    x = 4,288.32

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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.