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Finding the Fourth Proportional to 8,062.62, 11,124.99 and 4,919.82

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Solution

The fourth proportional to 8,062.62, 11,124.99 and 4,919.82 is: 6,788.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,062.62 : 11,124.99 = 4,919.82 : x
  2. Step 2: Convert to fraction form
    8,062.62/11,124.99 = 4,919.82/x
  3. Step 3: Cross multiply
    8,062.62x = 11,124.99 × 4,919.82
  4. Step 4: Simplify right side
    8,062.62x = 54,732,948.30
  5. Step 5: Solve for x
    x = 54,732,948.30/8,062.62
  6. Step 6: Final answer
    x = 6,788.48

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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.