Home / 4,279.59-6,419.70-1,814.13

Finding the Fourth Proportional to 4,279.59, 6,419.70 and 1,814.13

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Solution

The fourth proportional to 4,279.59, 6,419.70 and 1,814.13 is: 2,721.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.59 : 6,419.70 = 1,814.13 : x
  2. Step 2: Convert to fraction form
    4,279.59/6,419.70 = 1,814.13/x
  3. Step 3: Cross multiply
    4,279.59x = 6,419.70 × 1,814.13
  4. Step 4: Simplify right side
    4,279.59x = 11,646,170.36
  5. Step 5: Solve for x
    x = 11,646,170.36/4,279.59
  6. Step 6: Final answer
    x = 2,721.33

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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.