Home / 7,247.26-10,857.06-3,907.22

Finding the Fourth Proportional to 7,247.26, 10,857.06 and 3,907.22

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Solution

The fourth proportional to 7,247.26, 10,857.06 and 3,907.22 is: 5,853.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,247.26 : 10,857.06 = 3,907.22 : x
  2. Step 2: Convert to fraction form
    7,247.26/10,857.06 = 3,907.22/x
  3. Step 3: Cross multiply
    7,247.26x = 10,857.06 × 3,907.22
  4. Step 4: Simplify right side
    7,247.26x = 42,420,949.12
  5. Step 5: Solve for x
    x = 42,420,949.12/7,247.26
  6. Step 6: Final answer
    x = 5,853.38

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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.