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Finding the Fourth Proportional to 4,860.82, 7,291.23 and 1,938.43

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Solution

The fourth proportional to 4,860.82, 7,291.23 and 1,938.43 is: 2,907.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,860.82 : 7,291.23 = 1,938.43 : x
  2. Step 2: Convert to fraction form
    4,860.82/7,291.23 = 1,938.43/x
  3. Step 3: Cross multiply
    4,860.82x = 7,291.23 × 1,938.43
  4. Step 4: Simplify right side
    4,860.82x = 14,133,538.97
  5. Step 5: Solve for x
    x = 14,133,538.97/4,860.82
  6. Step 6: Final answer
    x = 2,907.65

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Similar ratio
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1.5x scale

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.