Home / 6,102.98-9,153.64-1,720.78

Finding the Fourth Proportional to 6,102.98, 9,153.64 and 1,720.78

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Solution

The fourth proportional to 6,102.98, 9,153.64 and 1,720.78 is: 2,580.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,102.98 : 9,153.64 = 1,720.78 : x
  2. Step 2: Convert to fraction form
    6,102.98/9,153.64 = 1,720.78/x
  3. Step 3: Cross multiply
    6,102.98x = 9,153.64 × 1,720.78
  4. Step 4: Simplify right side
    6,102.98x = 15,751,400.64
  5. Step 5: Solve for x
    x = 15,751,400.64/6,102.98
  6. Step 6: Final answer
    x = 2,580.94

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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.