Home / 8,148.28-12,224.60-2,601.40

Finding the Fourth Proportional to 8,148.28, 12,224.60 and 2,601.40

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Solution

The fourth proportional to 8,148.28, 12,224.60 and 2,601.40 is: 3,902.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148.28 : 12,224.60 = 2,601.40 : x
  2. Step 2: Convert to fraction form
    8,148.28/12,224.60 = 2,601.40/x
  3. Step 3: Cross multiply
    8,148.28x = 12,224.60 × 2,601.40
  4. Step 4: Simplify right side
    8,148.28x = 31,801,074.44
  5. Step 5: Solve for x
    x = 31,801,074.44/8,148.28
  6. Step 6: Final answer
    x = 3,902.80

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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.