Home / 5,379.48-8,063.16-2,420.34

Finding the Fourth Proportional to 5,379.48, 8,063.16 and 2,420.34

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Solution

The fourth proportional to 5,379.48, 8,063.16 and 2,420.34 is: 3,627.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379.48 : 8,063.16 = 2,420.34 : x
  2. Step 2: Convert to fraction form
    5,379.48/8,063.16 = 2,420.34/x
  3. Step 3: Cross multiply
    5,379.48x = 8,063.16 × 2,420.34
  4. Step 4: Simplify right side
    5,379.48x = 19,515,588.67
  5. Step 5: Solve for x
    x = 19,515,588.67/5,379.48
  6. Step 6: Final answer
    x = 3,627.78

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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.