Home / 5,361.12-7,399.86-3,768.15

Finding the Fourth Proportional to 5,361.12, 7,399.86 and 3,768.15

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Solution

The fourth proportional to 5,361.12, 7,399.86 and 3,768.15 is: 5,201.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361.12 : 7,399.86 = 3,768.15 : x
  2. Step 2: Convert to fraction form
    5,361.12/7,399.86 = 3,768.15/x
  3. Step 3: Cross multiply
    5,361.12x = 7,399.86 × 3,768.15
  4. Step 4: Simplify right side
    5,361.12x = 27,883,782.46
  5. Step 5: Solve for x
    x = 27,883,782.46/5,361.12
  6. Step 6: Final answer
    x = 5,201.11

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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.