Home / 7,837.08-11,755.69-1,993.68

Finding the Fourth Proportional to 7,837.08, 11,755.69 and 1,993.68

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Solution

The fourth proportional to 7,837.08, 11,755.69 and 1,993.68 is: 2,990.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,837.08 : 11,755.69 = 1,993.68 : x
  2. Step 2: Convert to fraction form
    7,837.08/11,755.69 = 1,993.68/x
  3. Step 3: Cross multiply
    7,837.08x = 11,755.69 × 1,993.68
  4. Step 4: Simplify right side
    7,837.08x = 23,437,079.06
  5. Step 5: Solve for x
    x = 23,437,079.06/7,837.08
  6. Step 6: Final answer
    x = 2,990.54

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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.