Home / 8,361.07-11,546.09-5,382.15

Finding the Fourth Proportional to 8,361.07, 11,546.09 and 5,382.15

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Solution

The fourth proportional to 8,361.07, 11,546.09 and 5,382.15 is: 7,432.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,361.07 : 11,546.09 = 5,382.15 : x
  2. Step 2: Convert to fraction form
    8,361.07/11,546.09 = 5,382.15/x
  3. Step 3: Cross multiply
    8,361.07x = 11,546.09 × 5,382.15
  4. Step 4: Simplify right side
    8,361.07x = 62,142,768.54
  5. Step 5: Solve for x
    x = 62,142,768.54/8,361.07
  6. Step 6: Final answer
    x = 7,432.39

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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.