Home / 6,412.71-9,619.88-2,028.59

Finding the Fourth Proportional to 6,412.71, 9,619.88 and 2,028.59

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Solution

The fourth proportional to 6,412.71, 9,619.88 and 2,028.59 is: 3,043.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,412.71 : 9,619.88 = 2,028.59 : x
  2. Step 2: Convert to fraction form
    6,412.71/9,619.88 = 2,028.59/x
  3. Step 3: Cross multiply
    6,412.71x = 9,619.88 × 2,028.59
  4. Step 4: Simplify right side
    6,412.71x = 19,514,734.13
  5. Step 5: Solve for x
    x = 19,514,734.13/6,412.71
  6. Step 6: Final answer
    x = 3,043.13

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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.