Home / 4,187.58-6,282.51-3,405.65

Finding the Fourth Proportional to 4,187.58, 6,282.51 and 3,405.65

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Solution

The fourth proportional to 4,187.58, 6,282.51 and 3,405.65 is: 5,109.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.58 : 6,282.51 = 3,405.65 : x
  2. Step 2: Convert to fraction form
    4,187.58/6,282.51 = 3,405.65/x
  3. Step 3: Cross multiply
    4,187.58x = 6,282.51 × 3,405.65
  4. Step 4: Simplify right side
    4,187.58x = 21,395,998.77
  5. Step 5: Solve for x
    x = 21,395,998.77/4,187.58
  6. Step 6: Final answer
    x = 5,109.39

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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.