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Finding the Fourth Proportional to 10,790.26, 14,891.03 and 6,074.54

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Solution

The fourth proportional to 10,790.26, 14,891.03 and 6,074.54 is: 8,383.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790.26 : 14,891.03 = 6,074.54 : x
  2. Step 2: Convert to fraction form
    10,790.26/14,891.03 = 6,074.54/x
  3. Step 3: Cross multiply
    10,790.26x = 14,891.03 × 6,074.54
  4. Step 4: Simplify right side
    10,790.26x = 90,456,157.38
  5. Step 5: Solve for x
    x = 90,456,157.38/10,790.26
  6. Step 6: Final answer
    x = 8,383.13

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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.