Home / 5,401.21-8,087.79-4,626.20

Finding the Fourth Proportional to 5,401.21, 8,087.79 and 4,626.20

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Solution

The fourth proportional to 5,401.21, 8,087.79 and 4,626.20 is: 6,927.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,401.21 : 8,087.79 = 4,626.20 : x
  2. Step 2: Convert to fraction form
    5,401.21/8,087.79 = 4,626.20/x
  3. Step 3: Cross multiply
    5,401.21x = 8,087.79 × 4,626.20
  4. Step 4: Simplify right side
    5,401.21x = 37,415,734.10
  5. Step 5: Solve for x
    x = 37,415,734.10/5,401.21
  6. Step 6: Final answer
    x = 6,927.29

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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.