Home / 8,505.36-12,753.61-3,821.33

Finding the Fourth Proportional to 8,505.36, 12,753.61 and 3,821.33

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Solution

The fourth proportional to 8,505.36, 12,753.61 and 3,821.33 is: 5,730.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,505.36 : 12,753.61 = 3,821.33 : x
  2. Step 2: Convert to fraction form
    8,505.36/12,753.61 = 3,821.33/x
  3. Step 3: Cross multiply
    8,505.36x = 12,753.61 × 3,821.33
  4. Step 4: Simplify right side
    8,505.36x = 48,735,774.83
  5. Step 5: Solve for x
    x = 48,735,774.83/8,505.36
  6. Step 6: Final answer
    x = 5,730.01

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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.