Home / 7,938.51-11,907.90-3,010.47

Finding the Fourth Proportional to 7,938.51, 11,907.90 and 3,010.47

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Solution

The fourth proportional to 7,938.51, 11,907.90 and 3,010.47 is: 4,515.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938.51 : 11,907.90 = 3,010.47 : x
  2. Step 2: Convert to fraction form
    7,938.51/11,907.90 = 3,010.47/x
  3. Step 3: Cross multiply
    7,938.51x = 11,907.90 × 3,010.47
  4. Step 4: Simplify right side
    7,938.51x = 35,848,375.71
  5. Step 5: Solve for x
    x = 35,848,375.71/7,938.51
  6. Step 6: Final answer
    x = 4,515.76

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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.