Home / 6,768.60-10,152.78-3,479.76

Finding the Fourth Proportional to 6,768.60, 10,152.78 and 3,479.76

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Solution

The fourth proportional to 6,768.60, 10,152.78 and 3,479.76 is: 5,219.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,768.60 : 10,152.78 = 3,479.76 : x
  2. Step 2: Convert to fraction form
    6,768.60/10,152.78 = 3,479.76/x
  3. Step 3: Cross multiply
    6,768.60x = 10,152.78 × 3,479.76
  4. Step 4: Simplify right side
    6,768.60x = 35,329,237.73
  5. Step 5: Solve for x
    x = 35,329,237.73/6,768.60
  6. Step 6: Final answer
    x = 5,219.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.