Home / 6,351.35-8,764.75-3,518.72

Finding the Fourth Proportional to 6,351.35, 8,764.75 and 3,518.72

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Solution

The fourth proportional to 6,351.35, 8,764.75 and 3,518.72 is: 4,855.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,351.35 : 8,764.75 = 3,518.72 : x
  2. Step 2: Convert to fraction form
    6,351.35/8,764.75 = 3,518.72/x
  3. Step 3: Cross multiply
    6,351.35x = 8,764.75 × 3,518.72
  4. Step 4: Simplify right side
    6,351.35x = 30,840,639.70
  5. Step 5: Solve for x
    x = 30,840,639.70/6,351.35
  6. Step 6: Final answer
    x = 4,855.76

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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.