Home / 8,853.71-12,217.91-4,874.78

Finding the Fourth Proportional to 8,853.71, 12,217.91 and 4,874.78

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Solution

The fourth proportional to 8,853.71, 12,217.91 and 4,874.78 is: 6,727.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,853.71 : 12,217.91 = 4,874.78 : x
  2. Step 2: Convert to fraction form
    8,853.71/12,217.91 = 4,874.78/x
  3. Step 3: Cross multiply
    8,853.71x = 12,217.91 × 4,874.78
  4. Step 4: Simplify right side
    8,853.71x = 59,559,629.48
  5. Step 5: Solve for x
    x = 59,559,629.48/8,853.71
  6. Step 6: Final answer
    x = 6,727.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.