Home / 5,171.07-7,761.48-3,440.91

Finding the Fourth Proportional to 5,171.07, 7,761.48 and 3,440.91

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Solution

The fourth proportional to 5,171.07, 7,761.48 and 3,440.91 is: 5,164.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171.07 : 7,761.48 = 3,440.91 : x
  2. Step 2: Convert to fraction form
    5,171.07/7,761.48 = 3,440.91/x
  3. Step 3: Cross multiply
    5,171.07x = 7,761.48 × 3,440.91
  4. Step 4: Simplify right side
    5,171.07x = 26,706,554.15
  5. Step 5: Solve for x
    x = 26,706,554.15/5,171.07
  6. Step 6: Final answer
    x = 5,164.61

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1.5x scale

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.