Home / 9,157.56-13,736.08-2,918.03

Finding the Fourth Proportional to 9,157.56, 13,736.08 and 2,918.03

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Solution

The fourth proportional to 9,157.56, 13,736.08 and 2,918.03 is: 4,376.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,157.56 : 13,736.08 = 2,918.03 : x
  2. Step 2: Convert to fraction form
    9,157.56/13,736.08 = 2,918.03/x
  3. Step 3: Cross multiply
    9,157.56x = 13,736.08 × 2,918.03
  4. Step 4: Simplify right side
    9,157.56x = 40,082,228.49
  5. Step 5: Solve for x
    x = 40,082,228.49/9,157.56
  6. Step 6: Final answer
    x = 4,376.96

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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.