Home / 7,941.30-11,908.10-2,393.61

Finding the Fourth Proportional to 7,941.30, 11,908.10 and 2,393.61

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Solution

The fourth proportional to 7,941.30, 11,908.10 and 2,393.61 is: 3,589.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,941.30 : 11,908.10 = 2,393.61 : x
  2. Step 2: Convert to fraction form
    7,941.30/11,908.10 = 2,393.61/x
  3. Step 3: Cross multiply
    7,941.30x = 11,908.10 × 2,393.61
  4. Step 4: Simplify right side
    7,941.30x = 28,503,347.24
  5. Step 5: Solve for x
    x = 28,503,347.24/7,941.30
  6. Step 6: Final answer
    x = 3,589.25

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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.