Home / 5,106.92-7,658.78-3,384.68

Finding the Fourth Proportional to 5,106.92, 7,658.78 and 3,384.68

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Solution

The fourth proportional to 5,106.92, 7,658.78 and 3,384.68 is: 5,075.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106.92 : 7,658.78 = 3,384.68 : x
  2. Step 2: Convert to fraction form
    5,106.92/7,658.78 = 3,384.68/x
  3. Step 3: Cross multiply
    5,106.92x = 7,658.78 × 3,384.68
  4. Step 4: Simplify right side
    5,106.92x = 25,922,519.49
  5. Step 5: Solve for x
    x = 25,922,519.49/5,106.92
  6. Step 6: Final answer
    x = 5,075.96

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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.