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Finding the Fourth Proportional to 8,058.54, 12,087.83 and 2,215.16

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Solution

The fourth proportional to 8,058.54, 12,087.83 and 2,215.16 is: 3,322.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,058.54 : 12,087.83 = 2,215.16 : x
  2. Step 2: Convert to fraction form
    8,058.54/12,087.83 = 2,215.16/x
  3. Step 3: Cross multiply
    8,058.54x = 12,087.83 × 2,215.16
  4. Step 4: Simplify right side
    8,058.54x = 26,776,477.50
  5. Step 5: Solve for x
    x = 26,776,477.50/8,058.54
  6. Step 6: Final answer
    x = 3,322.75

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Similar ratio
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1.5x scale

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.