Home / 5,245.09-7,865.80-1,546.34

Finding the Fourth Proportional to 5,245.09, 7,865.80 and 1,546.34

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Solution

The fourth proportional to 5,245.09, 7,865.80 and 1,546.34 is: 2,318.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,245.09 : 7,865.80 = 1,546.34 : x
  2. Step 2: Convert to fraction form
    5,245.09/7,865.80 = 1,546.34/x
  3. Step 3: Cross multiply
    5,245.09x = 7,865.80 × 1,546.34
  4. Step 4: Simplify right side
    5,245.09x = 12,163,157.98
  5. Step 5: Solve for x
    x = 12,163,157.98/5,245.09
  6. Step 6: Final answer
    x = 2,318.96

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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.