Home / 8,260.23-12,391.64-2,712.31

Finding the Fourth Proportional to 8,260.23, 12,391.64 and 2,712.31

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Solution

The fourth proportional to 8,260.23, 12,391.64 and 2,712.31 is: 4,068.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.23 : 12,391.64 = 2,712.31 : x
  2. Step 2: Convert to fraction form
    8,260.23/12,391.64 = 2,712.31/x
  3. Step 3: Cross multiply
    8,260.23x = 12,391.64 × 2,712.31
  4. Step 4: Simplify right side
    8,260.23x = 33,609,965.76
  5. Step 5: Solve for x
    x = 33,609,965.76/8,260.23
  6. Step 6: Final answer
    x = 4,068.89

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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.