Home / 8,853.72-13,285.20-3,926.76

Finding the Fourth Proportional to 8,853.72, 13,285.20 and 3,926.76

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Solution

The fourth proportional to 8,853.72, 13,285.20 and 3,926.76 is: 5,892.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,853.72 : 13,285.20 = 3,926.76 : x
  2. Step 2: Convert to fraction form
    8,853.72/13,285.20 = 3,926.76/x
  3. Step 3: Cross multiply
    8,853.72x = 13,285.20 × 3,926.76
  4. Step 4: Simplify right side
    8,853.72x = 52,167,791.95
  5. Step 5: Solve for x
    x = 52,167,791.95/8,853.72
  6. Step 6: Final answer
    x = 5,892.19

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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.