Home / 9,782.07-14,672.96-3,938.53

Finding the Fourth Proportional to 9,782.07, 14,672.96 and 3,938.53

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Solution

The fourth proportional to 9,782.07, 14,672.96 and 3,938.53 is: 5,907.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,782.07 : 14,672.96 = 3,938.53 : x
  2. Step 2: Convert to fraction form
    9,782.07/14,672.96 = 3,938.53/x
  3. Step 3: Cross multiply
    9,782.07x = 14,672.96 × 3,938.53
  4. Step 4: Simplify right side
    9,782.07x = 57,789,893.15
  5. Step 5: Solve for x
    x = 57,789,893.15/9,782.07
  6. Step 6: Final answer
    x = 5,907.74

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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.