Home / 4,212.13-6,317.29-1,579.54

Finding the Fourth Proportional to 4,212.13, 6,317.29 and 1,579.54

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Solution

The fourth proportional to 4,212.13, 6,317.29 and 1,579.54 is: 2,368.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.13 : 6,317.29 = 1,579.54 : x
  2. Step 2: Convert to fraction form
    4,212.13/6,317.29 = 1,579.54/x
  3. Step 3: Cross multiply
    4,212.13x = 6,317.29 × 1,579.54
  4. Step 4: Simplify right side
    4,212.13x = 9,978,412.25
  5. Step 5: Solve for x
    x = 9,978,412.25/4,212.13
  6. Step 6: Final answer
    x = 2,368.97

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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.