Home / 6,786.36-10,181.88-3,497.40

Finding the Fourth Proportional to 6,786.36, 10,181.88 and 3,497.40

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Solution

The fourth proportional to 6,786.36, 10,181.88 and 3,497.40 is: 5,247.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,786.36 : 10,181.88 = 3,497.40 : x
  2. Step 2: Convert to fraction form
    6,786.36/10,181.88 = 3,497.40/x
  3. Step 3: Cross multiply
    6,786.36x = 10,181.88 × 3,497.40
  4. Step 4: Simplify right side
    6,786.36x = 35,610,107.11
  5. Step 5: Solve for x
    x = 35,610,107.11/6,786.36
  6. Step 6: Final answer
    x = 5,247.31

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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.