Home / 6,978.02-9,629.73-3,834.23

Finding the Fourth Proportional to 6,978.02, 9,629.73 and 3,834.23

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Solution

The fourth proportional to 6,978.02, 9,629.73 and 3,834.23 is: 5,291.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,978.02 : 9,629.73 = 3,834.23 : x
  2. Step 2: Convert to fraction form
    6,978.02/9,629.73 = 3,834.23/x
  3. Step 3: Cross multiply
    6,978.02x = 9,629.73 × 3,834.23
  4. Step 4: Simplify right side
    6,978.02x = 36,922,599.66
  5. Step 5: Solve for x
    x = 36,922,599.66/6,978.02
  6. Step 6: Final answer
    x = 5,291.27

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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.