Home / 7,348.28-11,021.57-2,603.90

Finding the Fourth Proportional to 7,348.28, 11,021.57 and 2,603.90

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Solution

The fourth proportional to 7,348.28, 11,021.57 and 2,603.90 is: 3,905.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,348.28 : 11,021.57 = 2,603.90 : x
  2. Step 2: Convert to fraction form
    7,348.28/11,021.57 = 2,603.90/x
  3. Step 3: Cross multiply
    7,348.28x = 11,021.57 × 2,603.90
  4. Step 4: Simplify right side
    7,348.28x = 28,699,025.55
  5. Step 5: Solve for x
    x = 28,699,025.55/7,348.28
  6. Step 6: Final answer
    x = 3,905.54

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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.