Home / 7,745.07-10,687.68-4,208.22

Finding the Fourth Proportional to 7,745.07, 10,687.68 and 4,208.22

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Solution

The fourth proportional to 7,745.07, 10,687.68 and 4,208.22 is: 5,807.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,745.07 : 10,687.68 = 4,208.22 : x
  2. Step 2: Convert to fraction form
    7,745.07/10,687.68 = 4,208.22/x
  3. Step 3: Cross multiply
    7,745.07x = 10,687.68 × 4,208.22
  4. Step 4: Simplify right side
    7,745.07x = 44,976,108.73
  5. Step 5: Solve for x
    x = 44,976,108.73/7,745.07
  6. Step 6: Final answer
    x = 5,807.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.