Home / 6,394.63-8,825.57-3,877.15

Finding the Fourth Proportional to 6,394.63, 8,825.57 and 3,877.15

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Solution

The fourth proportional to 6,394.63, 8,825.57 and 3,877.15 is: 5,351.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,394.63 : 8,825.57 = 3,877.15 : x
  2. Step 2: Convert to fraction form
    6,394.63/8,825.57 = 3,877.15/x
  3. Step 3: Cross multiply
    6,394.63x = 8,825.57 × 3,877.15
  4. Step 4: Simplify right side
    6,394.63x = 34,218,048.36
  5. Step 5: Solve for x
    x = 34,218,048.36/6,394.63
  6. Step 6: Final answer
    x = 5,351.06

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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.