Home / 9,157.26-13,734.69-2,917.86

Finding the Fourth Proportional to 9,157.26, 13,734.69 and 2,917.86

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Solution

The fourth proportional to 9,157.26, 13,734.69 and 2,917.86 is: 4,376.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,157.26 : 13,734.69 = 2,917.86 : x
  2. Step 2: Convert to fraction form
    9,157.26/13,734.69 = 2,917.86/x
  3. Step 3: Cross multiply
    9,157.26x = 13,734.69 × 2,917.86
  4. Step 4: Simplify right side
    9,157.26x = 40,075,902.56
  5. Step 5: Solve for x
    x = 40,075,902.56/9,157.26
  6. Step 6: Final answer
    x = 4,376.41

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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.