Home / 6,319.72-9,480.19-1,936.41

Finding the Fourth Proportional to 6,319.72, 9,480.19 and 1,936.41

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Solution

The fourth proportional to 6,319.72, 9,480.19 and 1,936.41 is: 2,904.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,319.72 : 9,480.19 = 1,936.41 : x
  2. Step 2: Convert to fraction form
    6,319.72/9,480.19 = 1,936.41/x
  3. Step 3: Cross multiply
    6,319.72x = 9,480.19 × 1,936.41
  4. Step 4: Simplify right side
    6,319.72x = 18,357,534.72
  5. Step 5: Solve for x
    x = 18,357,534.72/6,319.72
  6. Step 6: Final answer
    x = 2,904.80

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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.