Home / 8,143.27-12,217.01-4,768.91

Finding the Fourth Proportional to 8,143.27, 12,217.01 and 4,768.91

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Solution

The fourth proportional to 8,143.27, 12,217.01 and 4,768.91 is: 7,154.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143.27 : 12,217.01 = 4,768.91 : x
  2. Step 2: Convert to fraction form
    8,143.27/12,217.01 = 4,768.91/x
  3. Step 3: Cross multiply
    8,143.27x = 12,217.01 × 4,768.91
  4. Step 4: Simplify right side
    8,143.27x = 58,261,797.31
  5. Step 5: Solve for x
    x = 58,261,797.31/8,143.27
  6. Step 6: Final answer
    x = 7,154.60

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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.