Home / 7,361.38-11,040.86-3,412.48

Finding the Fourth Proportional to 7,361.38, 11,040.86 and 3,412.48

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Solution

The fourth proportional to 7,361.38, 11,040.86 and 3,412.48 is: 5,118.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,361.38 : 11,040.86 = 3,412.48 : x
  2. Step 2: Convert to fraction form
    7,361.38/11,040.86 = 3,412.48/x
  3. Step 3: Cross multiply
    7,361.38x = 11,040.86 × 3,412.48
  4. Step 4: Simplify right side
    7,361.38x = 37,676,696.37
  5. Step 5: Solve for x
    x = 37,676,696.37/7,361.38
  6. Step 6: Final answer
    x = 5,118.16

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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.