Home / 7,943.57-11,907.61-3,782.46

Finding the Fourth Proportional to 7,943.57, 11,907.61 and 3,782.46

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Solution

The fourth proportional to 7,943.57, 11,907.61 and 3,782.46 is: 5,670.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943.57 : 11,907.61 = 3,782.46 : x
  2. Step 2: Convert to fraction form
    7,943.57/11,907.61 = 3,782.46/x
  3. Step 3: Cross multiply
    7,943.57x = 11,907.61 × 3,782.46
  4. Step 4: Simplify right side
    7,943.57x = 45,040,049.06
  5. Step 5: Solve for x
    x = 45,040,049.06/7,943.57
  6. Step 6: Final answer
    x = 5,670.00

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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.