Home / 6,977.26-9,628.61-3,993.15

Finding the Fourth Proportional to 6,977.26, 9,628.61 and 3,993.15

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Solution

The fourth proportional to 6,977.26, 9,628.61 and 3,993.15 is: 5,510.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,977.26 : 9,628.61 = 3,993.15 : x
  2. Step 2: Convert to fraction form
    6,977.26/9,628.61 = 3,993.15/x
  3. Step 3: Cross multiply
    6,977.26x = 9,628.61 × 3,993.15
  4. Step 4: Simplify right side
    6,977.26x = 38,448,500.16
  5. Step 5: Solve for x
    x = 38,448,500.16/6,977.26
  6. Step 6: Final answer
    x = 5,510.54

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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.