Home / 7,828.30-11,743.99-2,897.99

Finding the Fourth Proportional to 7,828.30, 11,743.99 and 2,897.99

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Solution

The fourth proportional to 7,828.30, 11,743.99 and 2,897.99 is: 4,347.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828.30 : 11,743.99 = 2,897.99 : x
  2. Step 2: Convert to fraction form
    7,828.30/11,743.99 = 2,897.99/x
  3. Step 3: Cross multiply
    7,828.30x = 11,743.99 × 2,897.99
  4. Step 4: Simplify right side
    7,828.30x = 34,033,965.58
  5. Step 5: Solve for x
    x = 34,033,965.58/7,828.30
  6. Step 6: Final answer
    x = 4,347.56

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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.