Home / 9,218.48-13,828.86-2,644.79

Finding the Fourth Proportional to 9,218.48, 13,828.86 and 2,644.79

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Solution

The fourth proportional to 9,218.48, 13,828.86 and 2,644.79 is: 3,967.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,218.48 : 13,828.86 = 2,644.79 : x
  2. Step 2: Convert to fraction form
    9,218.48/13,828.86 = 2,644.79/x
  3. Step 3: Cross multiply
    9,218.48x = 13,828.86 × 2,644.79
  4. Step 4: Simplify right side
    9,218.48x = 36,574,361.50
  5. Step 5: Solve for x
    x = 36,574,361.50/9,218.48
  6. Step 6: Final answer
    x = 3,967.51

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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.