Home / 6,939.36-10,446.48-6,336.72

Finding the Fourth Proportional to 6,939.36, 10,446.48 and 6,336.72

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Solution

The fourth proportional to 6,939.36, 10,446.48 and 6,336.72 is: 9,539.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.36 : 10,446.48 = 6,336.72 : x
  2. Step 2: Convert to fraction form
    6,939.36/10,446.48 = 6,336.72/x
  3. Step 3: Cross multiply
    6,939.36x = 10,446.48 × 6,336.72
  4. Step 4: Simplify right side
    6,939.36x = 66,196,418.75
  5. Step 5: Solve for x
    x = 66,196,418.75/6,939.36
  6. Step 6: Final answer
    x = 9,539.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.