Home / 5,211.32-7,833.91-4,182.59

Finding the Fourth Proportional to 5,211.32, 7,833.91 and 4,182.59

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Solution

The fourth proportional to 5,211.32, 7,833.91 and 4,182.59 is: 6,287.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211.32 : 7,833.91 = 4,182.59 : x
  2. Step 2: Convert to fraction form
    5,211.32/7,833.91 = 4,182.59/x
  3. Step 3: Cross multiply
    5,211.32x = 7,833.91 × 4,182.59
  4. Step 4: Simplify right side
    5,211.32x = 32,766,033.63
  5. Step 5: Solve for x
    x = 32,766,033.63/5,211.32
  6. Step 6: Final answer
    x = 6,287.47

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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.