Home / 5,137.08-7,704-2,214.60

Finding the Fourth Proportional to 5,137.08, 7,704 and 2,214.60

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Solution

The fourth proportional to 5,137.08, 7,704 and 2,214.60 is: 3,321.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137.08 : 7,704 = 2,214.60 : x
  2. Step 2: Convert to fraction form
    5,137.08/7,704 = 2,214.60/x
  3. Step 3: Cross multiply
    5,137.08x = 7,704 × 2,214.60
  4. Step 4: Simplify right side
    5,137.08x = 17,061,278.40
  5. Step 5: Solve for x
    x = 17,061,278.40/5,137.08
  6. Step 6: Final answer
    x = 3,321.20

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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.