Home / 7,041.38-10,555.07-3,922.81

Finding the Fourth Proportional to 7,041.38, 10,555.07 and 3,922.81

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Solution

The fourth proportional to 7,041.38, 10,555.07 and 3,922.81 is: 5,880.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,041.38 : 10,555.07 = 3,922.81 : x
  2. Step 2: Convert to fraction form
    7,041.38/10,555.07 = 3,922.81/x
  3. Step 3: Cross multiply
    7,041.38x = 10,555.07 × 3,922.81
  4. Step 4: Simplify right side
    7,041.38x = 41,405,481.37
  5. Step 5: Solve for x
    x = 41,405,481.37/7,041.38
  6. Step 6: Final answer
    x = 5,880.31

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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.