Home / 9,271.94-13,907.10-3,428.60

Finding the Fourth Proportional to 9,271.94, 13,907.10 and 3,428.60

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Solution

The fourth proportional to 9,271.94, 13,907.10 and 3,428.60 is: 5,142.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,271.94 : 13,907.10 = 3,428.60 : x
  2. Step 2: Convert to fraction form
    9,271.94/13,907.10 = 3,428.60/x
  3. Step 3: Cross multiply
    9,271.94x = 13,907.10 × 3,428.60
  4. Step 4: Simplify right side
    9,271.94x = 47,681,883.06
  5. Step 5: Solve for x
    x = 47,681,883.06/9,271.94
  6. Step 6: Final answer
    x = 5,142.60

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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.