Home / 7,899.85-11,854.37-4,786.08

Finding the Fourth Proportional to 7,899.85, 11,854.37 and 4,786.08

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Solution

The fourth proportional to 7,899.85, 11,854.37 and 4,786.08 is: 7,181.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,899.85 : 11,854.37 = 4,786.08 : x
  2. Step 2: Convert to fraction form
    7,899.85/11,854.37 = 4,786.08/x
  3. Step 3: Cross multiply
    7,899.85x = 11,854.37 × 4,786.08
  4. Step 4: Simplify right side
    7,899.85x = 56,735,879.97
  5. Step 5: Solve for x
    x = 56,735,879.97/7,899.85
  6. Step 6: Final answer
    x = 7,181.89

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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.