Home / 4,277.25-6,416.11-1,355.79

Finding the Fourth Proportional to 4,277.25, 6,416.11 and 1,355.79

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Solution

The fourth proportional to 4,277.25, 6,416.11 and 1,355.79 is: 2,033.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,277.25 : 6,416.11 = 1,355.79 : x
  2. Step 2: Convert to fraction form
    4,277.25/6,416.11 = 1,355.79/x
  3. Step 3: Cross multiply
    4,277.25x = 6,416.11 × 1,355.79
  4. Step 4: Simplify right side
    4,277.25x = 8,698,870.33
  5. Step 5: Solve for x
    x = 8,698,870.33/4,277.25
  6. Step 6: Final answer
    x = 2,033.75

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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.