Home / 6,440.26-9,660.36-4,233.02

Finding the Fourth Proportional to 6,440.26, 9,660.36 and 4,233.02

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Solution

The fourth proportional to 6,440.26, 9,660.36 and 4,233.02 is: 6,349.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440.26 : 9,660.36 = 4,233.02 : x
  2. Step 2: Convert to fraction form
    6,440.26/9,660.36 = 4,233.02/x
  3. Step 3: Cross multiply
    6,440.26x = 9,660.36 × 4,233.02
  4. Step 4: Simplify right side
    6,440.26x = 40,892,497.09
  5. Step 5: Solve for x
    x = 40,892,497.09/6,440.26
  6. Step 6: Final answer
    x = 6,349.51

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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.