Home / 6,229.32-9,320.63-3,878.33

Finding the Fourth Proportional to 6,229.32, 9,320.63 and 3,878.33

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Solution

The fourth proportional to 6,229.32, 9,320.63 and 3,878.33 is: 5,802.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,229.32 : 9,320.63 = 3,878.33 : x
  2. Step 2: Convert to fraction form
    6,229.32/9,320.63 = 3,878.33/x
  3. Step 3: Cross multiply
    6,229.32x = 9,320.63 × 3,878.33
  4. Step 4: Simplify right side
    6,229.32x = 36,148,412.95
  5. Step 5: Solve for x
    x = 36,148,412.95/6,229.32
  6. Step 6: Final answer
    x = 5,802.95

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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.