Home / 9,218.84-13,828.28-2,645.08

Finding the Fourth Proportional to 9,218.84, 13,828.28 and 2,645.08

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Solution

The fourth proportional to 9,218.84, 13,828.28 and 2,645.08 is: 3,967.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,218.84 : 13,828.28 = 2,645.08 : x
  2. Step 2: Convert to fraction form
    9,218.84/13,828.28 = 2,645.08/x
  3. Step 3: Cross multiply
    9,218.84x = 13,828.28 × 2,645.08
  4. Step 4: Simplify right side
    9,218.84x = 36,576,906.86
  5. Step 5: Solve for x
    x = 36,576,906.86/9,218.84
  6. Step 6: Final answer
    x = 3,967.63

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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.