Home / 8,149.73-12,224.36-2,603.40

Finding the Fourth Proportional to 8,149.73, 12,224.36 and 2,603.40

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Solution

The fourth proportional to 8,149.73, 12,224.36 and 2,603.40 is: 3,905.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149.73 : 12,224.36 = 2,603.40 : x
  2. Step 2: Convert to fraction form
    8,149.73/12,224.36 = 2,603.40/x
  3. Step 3: Cross multiply
    8,149.73x = 12,224.36 × 2,603.40
  4. Step 4: Simplify right side
    8,149.73x = 31,824,885.81
  5. Step 5: Solve for x
    x = 31,824,885.81/8,149.73
  6. Step 6: Final answer
    x = 3,905.03

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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.