Home / 4,189.36-6,281.63-1,722.14

Finding the Fourth Proportional to 4,189.36, 6,281.63 and 1,722.14

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Solution

The fourth proportional to 4,189.36, 6,281.63 and 1,722.14 is: 2,582.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.36 : 6,281.63 = 1,722.14 : x
  2. Step 2: Convert to fraction form
    4,189.36/6,281.63 = 1,722.14/x
  3. Step 3: Cross multiply
    4,189.36x = 6,281.63 × 1,722.14
  4. Step 4: Simplify right side
    4,189.36x = 10,817,866.30
  5. Step 5: Solve for x
    x = 10,817,866.30/4,189.36
  6. Step 6: Final answer
    x = 2,582.23

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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.