Home / 6,617.70-9,927.56-2,173.89

Finding the Fourth Proportional to 6,617.70, 9,927.56 and 2,173.89

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Solution

The fourth proportional to 6,617.70, 9,927.56 and 2,173.89 is: 3,261.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,617.70 : 9,927.56 = 2,173.89 : x
  2. Step 2: Convert to fraction form
    6,617.70/9,927.56 = 2,173.89/x
  3. Step 3: Cross multiply
    6,617.70x = 9,927.56 × 2,173.89
  4. Step 4: Simplify right side
    6,617.70x = 21,581,412.54
  5. Step 5: Solve for x
    x = 21,581,412.54/6,617.70
  6. Step 6: Final answer
    x = 3,261.17

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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.