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Finding the Fourth Proportional to 7,092.90, 9,788.04 and 4,441.77

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Solution

The fourth proportional to 7,092.90, 9,788.04 and 4,441.77 is: 6,129.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,092.90 : 9,788.04 = 4,441.77 : x
  2. Step 2: Convert to fraction form
    7,092.90/9,788.04 = 4,441.77/x
  3. Step 3: Cross multiply
    7,092.90x = 9,788.04 × 4,441.77
  4. Step 4: Simplify right side
    7,092.90x = 43,476,222.43
  5. Step 5: Solve for x
    x = 43,476,222.43/7,092.90
  6. Step 6: Final answer
    x = 6,129.54

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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.