Home / 7,927.69-11,890.63-2,084.76

Finding the Fourth Proportional to 7,927.69, 11,890.63 and 2,084.76

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Solution

The fourth proportional to 7,927.69, 11,890.63 and 2,084.76 is: 3,126.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.69 : 11,890.63 = 2,084.76 : x
  2. Step 2: Convert to fraction form
    7,927.69/11,890.63 = 2,084.76/x
  3. Step 3: Cross multiply
    7,927.69x = 11,890.63 × 2,084.76
  4. Step 4: Simplify right side
    7,927.69x = 24,789,109.80
  5. Step 5: Solve for x
    x = 24,789,109.80/7,927.69
  6. Step 6: Final answer
    x = 3,126.90

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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.