Home / 4,053.16-6,078.30-1,279

Finding the Fourth Proportional to 4,053.16, 6,078.30 and 1,279

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Solution

The fourth proportional to 4,053.16, 6,078.30 and 1,279 is: 1,918.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,053.16 : 6,078.30 = 1,279 : x
  2. Step 2: Convert to fraction form
    4,053.16/6,078.30 = 1,279/x
  3. Step 3: Cross multiply
    4,053.16x = 6,078.30 × 1,279
  4. Step 4: Simplify right side
    4,053.16x = 7,774,145.70
  5. Step 5: Solve for x
    x = 7,774,145.70/4,053.16
  6. Step 6: Final answer
    x = 1,918.05

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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.