Home / 9,157.42-13,736.13-2,917.54

Finding the Fourth Proportional to 9,157.42, 13,736.13 and 2,917.54

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Solution

The fourth proportional to 9,157.42, 13,736.13 and 2,917.54 is: 4,376.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,157.42 : 13,736.13 = 2,917.54 : x
  2. Step 2: Convert to fraction form
    9,157.42/13,736.13 = 2,917.54/x
  3. Step 3: Cross multiply
    9,157.42x = 13,736.13 × 2,917.54
  4. Step 4: Simplify right side
    9,157.42x = 40,075,708.72
  5. Step 5: Solve for x
    x = 40,075,708.72/9,157.42
  6. Step 6: Final answer
    x = 4,376.31

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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.