Home / 6,623.86-9,935.79-1,693.51

Finding the Fourth Proportional to 6,623.86, 9,935.79 and 1,693.51

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Solution

The fourth proportional to 6,623.86, 9,935.79 and 1,693.51 is: 2,540.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,623.86 : 9,935.79 = 1,693.51 : x
  2. Step 2: Convert to fraction form
    6,623.86/9,935.79 = 1,693.51/x
  3. Step 3: Cross multiply
    6,623.86x = 9,935.79 × 1,693.51
  4. Step 4: Simplify right side
    6,623.86x = 16,826,359.72
  5. Step 5: Solve for x
    x = 16,826,359.72/6,623.86
  6. Step 6: Final answer
    x = 2,540.27

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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.