Home / 8,152.21-12,228.97-2,606.35

Finding the Fourth Proportional to 8,152.21, 12,228.97 and 2,606.35

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Solution

The fourth proportional to 8,152.21, 12,228.97 and 2,606.35 is: 3,909.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,152.21 : 12,228.97 = 2,606.35 : x
  2. Step 2: Convert to fraction form
    8,152.21/12,228.97 = 2,606.35/x
  3. Step 3: Cross multiply
    8,152.21x = 12,228.97 × 2,606.35
  4. Step 4: Simplify right side
    8,152.21x = 31,872,975.96
  5. Step 5: Solve for x
    x = 31,872,975.96/8,152.21
  6. Step 6: Final answer
    x = 3,909.73

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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.