Home / 6,514.77-8,989.00-3,863.03

Finding the Fourth Proportional to 6,514.77, 8,989.00 and 3,863.03

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Solution

The fourth proportional to 6,514.77, 8,989.00 and 3,863.03 is: 5,330.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,514.77 : 8,989.00 = 3,863.03 : x
  2. Step 2: Convert to fraction form
    6,514.77/8,989.00 = 3,863.03/x
  3. Step 3: Cross multiply
    6,514.77x = 8,989.00 × 3,863.03
  4. Step 4: Simplify right side
    6,514.77x = 34,724,789.48
  5. Step 5: Solve for x
    x = 34,724,789.48/6,514.77
  6. Step 6: Final answer
    x = 5,330.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.