Home / 8,446.78-12,670.26-2,603.44

Finding the Fourth Proportional to 8,446.78, 12,670.26 and 2,603.44

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Solution

The fourth proportional to 8,446.78, 12,670.26 and 2,603.44 is: 3,905.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,446.78 : 12,670.26 = 2,603.44 : x
  2. Step 2: Convert to fraction form
    8,446.78/12,670.26 = 2,603.44/x
  3. Step 3: Cross multiply
    8,446.78x = 12,670.26 × 2,603.44
  4. Step 4: Simplify right side
    8,446.78x = 32,986,261.69
  5. Step 5: Solve for x
    x = 32,986,261.69/8,446.78
  6. Step 6: Final answer
    x = 3,905.19

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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.