Home / 8,853.80-12,218.30-4,874.72

Finding the Fourth Proportional to 8,853.80, 12,218.30 and 4,874.72

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Solution

The fourth proportional to 8,853.80, 12,218.30 and 4,874.72 is: 6,727.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,853.80 : 12,218.30 = 4,874.72 : x
  2. Step 2: Convert to fraction form
    8,853.80/12,218.30 = 4,874.72/x
  3. Step 3: Cross multiply
    8,853.80x = 12,218.30 × 4,874.72
  4. Step 4: Simplify right side
    8,853.80x = 59,560,791.38
  5. Step 5: Solve for x
    x = 59,560,791.38/8,853.80
  6. Step 6: Final answer
    x = 6,727.14

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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.