Home / 8,406.19-12,603.43-3,723.64

Finding the Fourth Proportional to 8,406.19, 12,603.43 and 3,723.64

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Solution

The fourth proportional to 8,406.19, 12,603.43 and 3,723.64 is: 5,582.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,406.19 : 12,603.43 = 3,723.64 : x
  2. Step 2: Convert to fraction form
    8,406.19/12,603.43 = 3,723.64/x
  3. Step 3: Cross multiply
    8,406.19x = 12,603.43 × 3,723.64
  4. Step 4: Simplify right side
    8,406.19x = 46,930,636.09
  5. Step 5: Solve for x
    x = 46,930,636.09/8,406.19
  6. Step 6: Final answer
    x = 5,582.87

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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.