Home / 6,440.36-9,662.73-4,065.68

Finding the Fourth Proportional to 6,440.36, 9,662.73 and 4,065.68

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Solution

The fourth proportional to 6,440.36, 9,662.73 and 4,065.68 is: 6,099.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440.36 : 9,662.73 = 4,065.68 : x
  2. Step 2: Convert to fraction form
    6,440.36/9,662.73 = 4,065.68/x
  3. Step 3: Cross multiply
    6,440.36x = 9,662.73 × 4,065.68
  4. Step 4: Simplify right side
    6,440.36x = 39,285,592.26
  5. Step 5: Solve for x
    x = 39,285,592.26/6,440.36
  6. Step 6: Final answer
    x = 6,099.90

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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.