Home / 5,052.21-7,578.37-1,765.31

Finding the Fourth Proportional to 5,052.21, 7,578.37 and 1,765.31

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Solution

The fourth proportional to 5,052.21, 7,578.37 and 1,765.31 is: 2,647.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,052.21 : 7,578.37 = 1,765.31 : x
  2. Step 2: Convert to fraction form
    5,052.21/7,578.37 = 1,765.31/x
  3. Step 3: Cross multiply
    5,052.21x = 7,578.37 × 1,765.31
  4. Step 4: Simplify right side
    5,052.21x = 13,378,172.34
  5. Step 5: Solve for x
    x = 13,378,172.34/5,052.21
  6. Step 6: Final answer
    x = 2,647.98

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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.