Home / 6,391.67-9,579.42-2,877.93

Finding the Fourth Proportional to 6,391.67, 9,579.42 and 2,877.93

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Solution

The fourth proportional to 6,391.67, 9,579.42 and 2,877.93 is: 4,313.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391.67 : 9,579.42 = 2,877.93 : x
  2. Step 2: Convert to fraction form
    6,391.67/9,579.42 = 2,877.93/x
  3. Step 3: Cross multiply
    6,391.67x = 9,579.42 × 2,877.93
  4. Step 4: Simplify right side
    6,391.67x = 27,568,900.20
  5. Step 5: Solve for x
    x = 27,568,900.20/6,391.67
  6. Step 6: Final answer
    x = 4,313.26

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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.