Home / 6,380.83-8,805.81-3,548.19

Finding the Fourth Proportional to 6,380.83, 8,805.81 and 3,548.19

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Solution

The fourth proportional to 6,380.83, 8,805.81 and 3,548.19 is: 4,896.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,380.83 : 8,805.81 = 3,548.19 : x
  2. Step 2: Convert to fraction form
    6,380.83/8,805.81 = 3,548.19/x
  3. Step 3: Cross multiply
    6,380.83x = 8,805.81 × 3,548.19
  4. Step 4: Simplify right side
    6,380.83x = 31,244,733.31
  5. Step 5: Solve for x
    x = 31,244,733.31/6,380.83
  6. Step 6: Final answer
    x = 4,896.66

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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.