Home / 6,729.12-10,090.74-3,395.32

Finding the Fourth Proportional to 6,729.12, 10,090.74 and 3,395.32

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Solution

The fourth proportional to 6,729.12, 10,090.74 and 3,395.32 is: 5,091.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,729.12 : 10,090.74 = 3,395.32 : x
  2. Step 2: Convert to fraction form
    6,729.12/10,090.74 = 3,395.32/x
  3. Step 3: Cross multiply
    6,729.12x = 10,090.74 × 3,395.32
  4. Step 4: Simplify right side
    6,729.12x = 34,261,316.68
  5. Step 5: Solve for x
    x = 34,261,316.68/6,729.12
  6. Step 6: Final answer
    x = 5,091.50

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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.