Home / 4,287.47-6,419.94-3,450.08

Finding the Fourth Proportional to 4,287.47, 6,419.94 and 3,450.08

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Solution

The fourth proportional to 4,287.47, 6,419.94 and 3,450.08 is: 5,166.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287.47 : 6,419.94 = 3,450.08 : x
  2. Step 2: Convert to fraction form
    4,287.47/6,419.94 = 3,450.08/x
  3. Step 3: Cross multiply
    4,287.47x = 6,419.94 × 3,450.08
  4. Step 4: Simplify right side
    4,287.47x = 22,149,322.65
  5. Step 5: Solve for x
    x = 22,149,322.65/4,287.47
  6. Step 6: Final answer
    x = 5,166.06

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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.