Home / 8,408.15-12,612.19-2,564.74

Finding the Fourth Proportional to 8,408.15, 12,612.19 and 2,564.74

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Solution

The fourth proportional to 8,408.15, 12,612.19 and 2,564.74 is: 3,847.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,408.15 : 12,612.19 = 2,564.74 : x
  2. Step 2: Convert to fraction form
    8,408.15/12,612.19 = 2,564.74/x
  3. Step 3: Cross multiply
    8,408.15x = 12,612.19 × 2,564.74
  4. Step 4: Simplify right side
    8,408.15x = 32,347,029.33
  5. Step 5: Solve for x
    x = 32,347,029.33/8,408.15
  6. Step 6: Final answer
    x = 3,847.10

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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.