Home / 5,376.20-8,064.30-4,608.20

Finding the Fourth Proportional to 5,376.20, 8,064.30 and 4,608.20

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Solution

The fourth proportional to 5,376.20, 8,064.30 and 4,608.20 is: 6,912.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376.20 : 8,064.30 = 4,608.20 : x
  2. Step 2: Convert to fraction form
    5,376.20/8,064.30 = 4,608.20/x
  3. Step 3: Cross multiply
    5,376.20x = 8,064.30 × 4,608.20
  4. Step 4: Simplify right side
    5,376.20x = 37,161,907.26
  5. Step 5: Solve for x
    x = 37,161,907.26/5,376.20
  6. Step 6: Final answer
    x = 6,912.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.