Home / 4,554.09-6,831.54-1,780.97

Finding the Fourth Proportional to 4,554.09, 6,831.54 and 1,780.97

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Solution

The fourth proportional to 4,554.09, 6,831.54 and 1,780.97 is: 2,671.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,554.09 : 6,831.54 = 1,780.97 : x
  2. Step 2: Convert to fraction form
    4,554.09/6,831.54 = 1,780.97/x
  3. Step 3: Cross multiply
    4,554.09x = 6,831.54 × 1,780.97
  4. Step 4: Simplify right side
    4,554.09x = 12,166,733.64
  5. Step 5: Solve for x
    x = 12,166,733.64/4,554.09
  6. Step 6: Final answer
    x = 2,671.61

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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.