Home / 8,306.08-12,455.82-4,144.60

Finding the Fourth Proportional to 8,306.08, 12,455.82 and 4,144.60

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Solution

The fourth proportional to 8,306.08, 12,455.82 and 4,144.60 is: 6,215.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,306.08 : 12,455.82 = 4,144.60 : x
  2. Step 2: Convert to fraction form
    8,306.08/12,455.82 = 4,144.60/x
  3. Step 3: Cross multiply
    8,306.08x = 12,455.82 × 4,144.60
  4. Step 4: Simplify right side
    8,306.08x = 51,624,391.57
  5. Step 5: Solve for x
    x = 51,624,391.57/8,306.08
  6. Step 6: Final answer
    x = 6,215.25

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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.