Home / 7,647.24-10,550.82-4,289.61

Finding the Fourth Proportional to 7,647.24, 10,550.82 and 4,289.61

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Solution

The fourth proportional to 7,647.24, 10,550.82 and 4,289.61 is: 5,918.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,647.24 : 10,550.82 = 4,289.61 : x
  2. Step 2: Convert to fraction form
    7,647.24/10,550.82 = 4,289.61/x
  3. Step 3: Cross multiply
    7,647.24x = 10,550.82 × 4,289.61
  4. Step 4: Simplify right side
    7,647.24x = 45,258,902.98
  5. Step 5: Solve for x
    x = 45,258,902.98/7,647.24
  6. Step 6: Final answer
    x = 5,918.33

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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.