Home / 6,623.64-9,939.65-3,703.86

Finding the Fourth Proportional to 6,623.64, 9,939.65 and 3,703.86

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Solution

The fourth proportional to 6,623.64, 9,939.65 and 3,703.86 is: 5,558.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,623.64 : 9,939.65 = 3,703.86 : x
  2. Step 2: Convert to fraction form
    6,623.64/9,939.65 = 3,703.86/x
  3. Step 3: Cross multiply
    6,623.64x = 9,939.65 × 3,703.86
  4. Step 4: Simplify right side
    6,623.64x = 36,815,072.05
  5. Step 5: Solve for x
    x = 36,815,072.05/6,623.64
  6. Step 6: Final answer
    x = 5,558.13

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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.