Home / 4,052.23-6,078.95-1,278.61

Finding the Fourth Proportional to 4,052.23, 6,078.95 and 1,278.61

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Solution

The fourth proportional to 4,052.23, 6,078.95 and 1,278.61 is: 1,918.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,052.23 : 6,078.95 = 1,278.61 : x
  2. Step 2: Convert to fraction form
    4,052.23/6,078.95 = 1,278.61/x
  3. Step 3: Cross multiply
    4,052.23x = 6,078.95 × 1,278.61
  4. Step 4: Simplify right side
    4,052.23x = 7,772,606.26
  5. Step 5: Solve for x
    x = 7,772,606.26/4,052.23
  6. Step 6: Final answer
    x = 1,918.11

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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.