Home / 9,112.64-13,669-2,538.84

Finding the Fourth Proportional to 9,112.64, 13,669 and 2,538.84

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Solution

The fourth proportional to 9,112.64, 13,669 and 2,538.84 is: 3,808.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,112.64 : 13,669 = 2,538.84 : x
  2. Step 2: Convert to fraction form
    9,112.64/13,669 = 2,538.84/x
  3. Step 3: Cross multiply
    9,112.64x = 13,669 × 2,538.84
  4. Step 4: Simplify right side
    9,112.64x = 34,703,403.96
  5. Step 5: Solve for x
    x = 34,703,403.96/9,112.64
  6. Step 6: Final answer
    x = 3,808.27

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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.