Home / 5,690.09-8,536.76-1,993.25

Finding the Fourth Proportional to 5,690.09, 8,536.76 and 1,993.25

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Solution

The fourth proportional to 5,690.09, 8,536.76 and 1,993.25 is: 2,990.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,690.09 : 8,536.76 = 1,993.25 : x
  2. Step 2: Convert to fraction form
    5,690.09/8,536.76 = 1,993.25/x
  3. Step 3: Cross multiply
    5,690.09x = 8,536.76 × 1,993.25
  4. Step 4: Simplify right side
    5,690.09x = 17,015,844.22
  5. Step 5: Solve for x
    x = 17,015,844.22/5,690.09
  6. Step 6: Final answer
    x = 2,990.44

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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.