Home / 7,296.76-10,945-2,102.60

Finding the Fourth Proportional to 7,296.76, 10,945 and 2,102.60

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Solution

The fourth proportional to 7,296.76, 10,945 and 2,102.60 is: 3,153.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,296.76 : 10,945 = 2,102.60 : x
  2. Step 2: Convert to fraction form
    7,296.76/10,945 = 2,102.60/x
  3. Step 3: Cross multiply
    7,296.76x = 10,945 × 2,102.60
  4. Step 4: Simplify right side
    7,296.76x = 23,012,957
  5. Step 5: Solve for x
    x = 23,012,957/7,296.76
  6. Step 6: Final answer
    x = 3,153.86

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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.