Home / 9,274.40-13,913.43-3,431.06

Finding the Fourth Proportional to 9,274.40, 13,913.43 and 3,431.06

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Solution

The fourth proportional to 9,274.40, 13,913.43 and 3,431.06 is: 5,147.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,274.40 : 13,913.43 = 3,431.06 : x
  2. Step 2: Convert to fraction form
    9,274.40/13,913.43 = 3,431.06/x
  3. Step 3: Cross multiply
    9,274.40x = 13,913.43 × 3,431.06
  4. Step 4: Simplify right side
    9,274.40x = 47,737,782.88
  5. Step 5: Solve for x
    x = 47,737,782.88/9,274.40
  6. Step 6: Final answer
    x = 5,147.26

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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.