Home / 7,783.08-11,664.23-4,267.79

Finding the Fourth Proportional to 7,783.08, 11,664.23 and 4,267.79

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Solution

The fourth proportional to 7,783.08, 11,664.23 and 4,267.79 is: 6,395.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,783.08 : 11,664.23 = 4,267.79 : x
  2. Step 2: Convert to fraction form
    7,783.08/11,664.23 = 4,267.79/x
  3. Step 3: Cross multiply
    7,783.08x = 11,664.23 × 4,267.79
  4. Step 4: Simplify right side
    7,783.08x = 49,780,404.49
  5. Step 5: Solve for x
    x = 49,780,404.49/7,783.08
  6. Step 6: Final answer
    x = 6,395.98

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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.