Home / 9,146.44-13,720.47-2,907.82

Finding the Fourth Proportional to 9,146.44, 13,720.47 and 2,907.82

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Solution

The fourth proportional to 9,146.44, 13,720.47 and 2,907.82 is: 4,361.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,146.44 : 13,720.47 = 2,907.82 : x
  2. Step 2: Convert to fraction form
    9,146.44/13,720.47 = 2,907.82/x
  3. Step 3: Cross multiply
    9,146.44x = 13,720.47 × 2,907.82
  4. Step 4: Simplify right side
    9,146.44x = 39,896,657.08
  5. Step 5: Solve for x
    x = 39,896,657.08/9,146.44
  6. Step 6: Final answer
    x = 4,361.99

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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.