Home / 5,379.10-8,069.48-2,745.17

Finding the Fourth Proportional to 5,379.10, 8,069.48 and 2,745.17

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Solution

The fourth proportional to 5,379.10, 8,069.48 and 2,745.17 is: 4,118.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379.10 : 8,069.48 = 2,745.17 : x
  2. Step 2: Convert to fraction form
    5,379.10/8,069.48 = 2,745.17/x
  3. Step 3: Cross multiply
    5,379.10x = 8,069.48 × 2,745.17
  4. Step 4: Simplify right side
    5,379.10x = 22,152,094.41
  5. Step 5: Solve for x
    x = 22,152,094.41/5,379.10
  6. Step 6: Final answer
    x = 4,118.18

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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.