Home / 4,053.39-6,081.20-1,279.99

Finding the Fourth Proportional to 4,053.39, 6,081.20 and 1,279.99

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Solution

The fourth proportional to 4,053.39, 6,081.20 and 1,279.99 is: 1,920.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,053.39 : 6,081.20 = 1,279.99 : x
  2. Step 2: Convert to fraction form
    4,053.39/6,081.20 = 1,279.99/x
  3. Step 3: Cross multiply
    4,053.39x = 6,081.20 × 1,279.99
  4. Step 4: Simplify right side
    4,053.39x = 7,783,875.19
  5. Step 5: Solve for x
    x = 7,783,875.19/4,053.39
  6. Step 6: Final answer
    x = 1,920.34

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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.