Home / 8,187.30-12,269.21-4,670.03

Finding the Fourth Proportional to 8,187.30, 12,269.21 and 4,670.03

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Solution

The fourth proportional to 8,187.30, 12,269.21 and 4,670.03 is: 6,998.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,187.30 : 12,269.21 = 4,670.03 : x
  2. Step 2: Convert to fraction form
    8,187.30/12,269.21 = 4,670.03/x
  3. Step 3: Cross multiply
    8,187.30x = 12,269.21 × 4,670.03
  4. Step 4: Simplify right side
    8,187.30x = 57,297,517.43
  5. Step 5: Solve for x
    x = 57,297,517.43/8,187.30
  6. Step 6: Final answer
    x = 6,998.35

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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.