Home / 7,826.85-11,741.90-4,540.41

Finding the Fourth Proportional to 7,826.85, 11,741.90 and 4,540.41

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Solution

The fourth proportional to 7,826.85, 11,741.90 and 4,540.41 is: 6,811.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,826.85 : 11,741.90 = 4,540.41 : x
  2. Step 2: Convert to fraction form
    7,826.85/11,741.90 = 4,540.41/x
  3. Step 3: Cross multiply
    7,826.85x = 11,741.90 × 4,540.41
  4. Step 4: Simplify right side
    7,826.85x = 53,313,017.48
  5. Step 5: Solve for x
    x = 53,313,017.48/7,826.85
  6. Step 6: Final answer
    x = 6,811.55

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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.