Home / 6,977.67-9,629.42-3,834.15

Finding the Fourth Proportional to 6,977.67, 9,629.42 and 3,834.15

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Solution

The fourth proportional to 6,977.67, 9,629.42 and 3,834.15 is: 5,291.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,977.67 : 9,629.42 = 3,834.15 : x
  2. Step 2: Convert to fraction form
    6,977.67/9,629.42 = 3,834.15/x
  3. Step 3: Cross multiply
    6,977.67x = 9,629.42 × 3,834.15
  4. Step 4: Simplify right side
    6,977.67x = 36,920,621.52
  5. Step 5: Solve for x
    x = 36,920,621.52/6,977.67
  6. Step 6: Final answer
    x = 5,291.25

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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.