Home / 9,221.58-13,829.85-2,646

Finding the Fourth Proportional to 9,221.58, 13,829.85 and 2,646

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Solution

The fourth proportional to 9,221.58, 13,829.85 and 2,646 is: 3,968.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,221.58 : 13,829.85 = 2,646 : x
  2. Step 2: Convert to fraction form
    9,221.58/13,829.85 = 2,646/x
  3. Step 3: Cross multiply
    9,221.58x = 13,829.85 × 2,646
  4. Step 4: Simplify right side
    9,221.58x = 36,593,783.10
  5. Step 5: Solve for x
    x = 36,593,783.10/9,221.58
  6. Step 6: Final answer
    x = 3,968.28

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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.