Home / 8,620.40-11,897.25-5,083.94

Finding the Fourth Proportional to 8,620.40, 11,897.25 and 5,083.94

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Solution

The fourth proportional to 8,620.40, 11,897.25 and 5,083.94 is: 7,016.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,620.40 : 11,897.25 = 5,083.94 : x
  2. Step 2: Convert to fraction form
    8,620.40/11,897.25 = 5,083.94/x
  3. Step 3: Cross multiply
    8,620.40x = 11,897.25 × 5,083.94
  4. Step 4: Simplify right side
    8,620.40x = 60,484,905.17
  5. Step 5: Solve for x
    x = 60,484,905.17/8,620.40
  6. Step 6: Final answer
    x = 7,016.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.