Home / 7,087.67-10,620.73-3,384.80

Finding the Fourth Proportional to 7,087.67, 10,620.73 and 3,384.80

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Solution

The fourth proportional to 7,087.67, 10,620.73 and 3,384.80 is: 5,072.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,087.67 : 10,620.73 = 3,384.80 : x
  2. Step 2: Convert to fraction form
    7,087.67/10,620.73 = 3,384.80/x
  3. Step 3: Cross multiply
    7,087.67x = 10,620.73 × 3,384.80
  4. Step 4: Simplify right side
    7,087.67x = 35,949,029.98
  5. Step 5: Solve for x
    x = 35,949,029.98/7,087.67
  6. Step 6: Final answer
    x = 5,072.05

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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.