Home / 4,679.15-7,016.52-1,391.09

Finding the Fourth Proportional to 4,679.15, 7,016.52 and 1,391.09

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Solution

The fourth proportional to 4,679.15, 7,016.52 and 1,391.09 is: 2,085.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.15 : 7,016.52 = 1,391.09 : x
  2. Step 2: Convert to fraction form
    4,679.15/7,016.52 = 1,391.09/x
  3. Step 3: Cross multiply
    4,679.15x = 7,016.52 × 1,391.09
  4. Step 4: Simplify right side
    4,679.15x = 9,760,610.81
  5. Step 5: Solve for x
    x = 9,760,610.81/4,679.15
  6. Step 6: Final answer
    x = 2,085.98

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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.