Home / 5,273.56-7,907.70-1,762.34

Finding the Fourth Proportional to 5,273.56, 7,907.70 and 1,762.34

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Solution

The fourth proportional to 5,273.56, 7,907.70 and 1,762.34 is: 2,642.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273.56 : 7,907.70 = 1,762.34 : x
  2. Step 2: Convert to fraction form
    5,273.56/7,907.70 = 1,762.34/x
  3. Step 3: Cross multiply
    5,273.56x = 7,907.70 × 1,762.34
  4. Step 4: Simplify right side
    5,273.56x = 13,936,056.02
  5. Step 5: Solve for x
    x = 13,936,056.02/5,273.56
  6. Step 6: Final answer
    x = 2,642.63

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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.