Home / 6,351.75-8,763.39-4,115.34

Finding the Fourth Proportional to 6,351.75, 8,763.39 and 4,115.34

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Solution

The fourth proportional to 6,351.75, 8,763.39 and 4,115.34 is: 5,677.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,351.75 : 8,763.39 = 4,115.34 : x
  2. Step 2: Convert to fraction form
    6,351.75/8,763.39 = 4,115.34/x
  3. Step 3: Cross multiply
    6,351.75x = 8,763.39 × 4,115.34
  4. Step 4: Simplify right side
    6,351.75x = 36,064,329.40
  5. Step 5: Solve for x
    x = 36,064,329.40/6,351.75
  6. Step 6: Final answer
    x = 5,677.86

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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.