Home / 7,191.07-10,788.23-2,193.89

Finding the Fourth Proportional to 7,191.07, 10,788.23 and 2,193.89

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Solution

The fourth proportional to 7,191.07, 10,788.23 and 2,193.89 is: 3,291.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,191.07 : 10,788.23 = 2,193.89 : x
  2. Step 2: Convert to fraction form
    7,191.07/10,788.23 = 2,193.89/x
  3. Step 3: Cross multiply
    7,191.07x = 10,788.23 × 2,193.89
  4. Step 4: Simplify right side
    7,191.07x = 23,668,125.00
  5. Step 5: Solve for x
    x = 23,668,125.00/7,191.07
  6. Step 6: Final answer
    x = 3,291.32

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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.