Home / 6,455.61-9,684.43-2,757.86

Finding the Fourth Proportional to 6,455.61, 9,684.43 and 2,757.86

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Solution

The fourth proportional to 6,455.61, 9,684.43 and 2,757.86 is: 4,137.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,455.61 : 9,684.43 = 2,757.86 : x
  2. Step 2: Convert to fraction form
    6,455.61/9,684.43 = 2,757.86/x
  3. Step 3: Cross multiply
    6,455.61x = 9,684.43 × 2,757.86
  4. Step 4: Simplify right side
    6,455.61x = 26,708,288.33
  5. Step 5: Solve for x
    x = 26,708,288.33/6,455.61
  6. Step 6: Final answer
    x = 4,137.22

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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.