Home / 6,993.90-10,486.26-2,986.56

Finding the Fourth Proportional to 6,993.90, 10,486.26 and 2,986.56

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Solution

The fourth proportional to 6,993.90, 10,486.26 and 2,986.56 is: 4,477.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,993.90 : 10,486.26 = 2,986.56 : x
  2. Step 2: Convert to fraction form
    6,993.90/10,486.26 = 2,986.56/x
  3. Step 3: Cross multiply
    6,993.90x = 10,486.26 × 2,986.56
  4. Step 4: Simplify right side
    6,993.90x = 31,317,844.67
  5. Step 5: Solve for x
    x = 31,317,844.67/6,993.90
  6. Step 6: Final answer
    x = 4,477.88

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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.