Home / 6,877.43-9,490.67-3,893.54

Finding the Fourth Proportional to 6,877.43, 9,490.67 and 3,893.54

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Solution

The fourth proportional to 6,877.43, 9,490.67 and 3,893.54 is: 5,372.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,877.43 : 9,490.67 = 3,893.54 : x
  2. Step 2: Convert to fraction form
    6,877.43/9,490.67 = 3,893.54/x
  3. Step 3: Cross multiply
    6,877.43x = 9,490.67 × 3,893.54
  4. Step 4: Simplify right side
    6,877.43x = 36,952,331.03
  5. Step 5: Solve for x
    x = 36,952,331.03/6,877.43
  6. Step 6: Final answer
    x = 5,372.98

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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.