Home / 7,069.45-10,605.70-2,072.23

Finding the Fourth Proportional to 7,069.45, 10,605.70 and 2,072.23

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Solution

The fourth proportional to 7,069.45, 10,605.70 and 2,072.23 is: 3,108.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,069.45 : 10,605.70 = 2,072.23 : x
  2. Step 2: Convert to fraction form
    7,069.45/10,605.70 = 2,072.23/x
  3. Step 3: Cross multiply
    7,069.45x = 10,605.70 × 2,072.23
  4. Step 4: Simplify right side
    7,069.45x = 21,977,485.44
  5. Step 5: Solve for x
    x = 21,977,485.44/7,069.45
  6. Step 6: Final answer
    x = 3,108.80

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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.