Home / 5,654.63-8,485.59-2,191.88

Finding the Fourth Proportional to 5,654.63, 8,485.59 and 2,191.88

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Solution

The fourth proportional to 5,654.63, 8,485.59 and 2,191.88 is: 3,289.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,654.63 : 8,485.59 = 2,191.88 : x
  2. Step 2: Convert to fraction form
    5,654.63/8,485.59 = 2,191.88/x
  3. Step 3: Cross multiply
    5,654.63x = 8,485.59 × 2,191.88
  4. Step 4: Simplify right side
    5,654.63x = 18,599,352.58
  5. Step 5: Solve for x
    x = 18,599,352.58/5,654.63
  6. Step 6: Final answer
    x = 3,289.23

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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.