Home / 7,670.43-11,485.13-4,379.00

Finding the Fourth Proportional to 7,670.43, 11,485.13 and 4,379.00

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Solution

The fourth proportional to 7,670.43, 11,485.13 and 4,379.00 is: 6,556.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,670.43 : 11,485.13 = 4,379.00 : x
  2. Step 2: Convert to fraction form
    7,670.43/11,485.13 = 4,379.00/x
  3. Step 3: Cross multiply
    7,670.43x = 11,485.13 × 4,379.00
  4. Step 4: Simplify right side
    7,670.43x = 50,293,304.95
  5. Step 5: Solve for x
    x = 50,293,304.95/7,670.43
  6. Step 6: Final answer
    x = 6,556.78

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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.