Home / 5,213.03-7,821.70-2,750.02

Finding the Fourth Proportional to 5,213.03, 7,821.70 and 2,750.02

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Solution

The fourth proportional to 5,213.03, 7,821.70 and 2,750.02 is: 4,126.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.03 : 7,821.70 = 2,750.02 : x
  2. Step 2: Convert to fraction form
    5,213.03/7,821.70 = 2,750.02/x
  3. Step 3: Cross multiply
    5,213.03x = 7,821.70 × 2,750.02
  4. Step 4: Simplify right side
    5,213.03x = 21,509,805.00
  5. Step 5: Solve for x
    x = 21,509,805.00/5,213.03
  6. Step 6: Final answer
    x = 4,126.17

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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.