Home / 9,350.22-12,900.46-5,370.54

Finding the Fourth Proportional to 9,350.22, 12,900.46 and 5,370.54

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Solution

The fourth proportional to 9,350.22, 12,900.46 and 5,370.54 is: 7,409.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,350.22 : 12,900.46 = 5,370.54 : x
  2. Step 2: Convert to fraction form
    9,350.22/12,900.46 = 5,370.54/x
  3. Step 3: Cross multiply
    9,350.22x = 12,900.46 × 5,370.54
  4. Step 4: Simplify right side
    9,350.22x = 69,282,436.45
  5. Step 5: Solve for x
    x = 69,282,436.45/9,350.22
  6. Step 6: Final answer
    x = 7,409.71

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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.