Home / 4,558.39-6,837.74-1,271.21

Finding the Fourth Proportional to 4,558.39, 6,837.74 and 1,271.21

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Solution

The fourth proportional to 4,558.39, 6,837.74 and 1,271.21 is: 1,906.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,558.39 : 6,837.74 = 1,271.21 : x
  2. Step 2: Convert to fraction form
    4,558.39/6,837.74 = 1,271.21/x
  3. Step 3: Cross multiply
    4,558.39x = 6,837.74 × 1,271.21
  4. Step 4: Simplify right side
    4,558.39x = 8,692,162.92
  5. Step 5: Solve for x
    x = 8,692,162.92/4,558.39
  6. Step 6: Final answer
    x = 1,906.85

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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.