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Finding the Fourth Proportional to 8,447.00, 12,670.47 and 2,603.52

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Solution

The fourth proportional to 8,447.00, 12,670.47 and 2,603.52 is: 3,905.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,447.00 : 12,670.47 = 2,603.52 : x
  2. Step 2: Convert to fraction form
    8,447.00/12,670.47 = 2,603.52/x
  3. Step 3: Cross multiply
    8,447.00x = 12,670.47 × 2,603.52
  4. Step 4: Simplify right side
    8,447.00x = 32,987,822.05
  5. Step 5: Solve for x
    x = 32,987,822.05/8,447.00
  6. Step 6: Final answer
    x = 3,905.27

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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.