Home / 6,279.09-8,664.49-3,627.35

Finding the Fourth Proportional to 6,279.09, 8,664.49 and 3,627.35

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Solution

The fourth proportional to 6,279.09, 8,664.49 and 3,627.35 is: 5,005.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279.09 : 8,664.49 = 3,627.35 : x
  2. Step 2: Convert to fraction form
    6,279.09/8,664.49 = 3,627.35/x
  3. Step 3: Cross multiply
    6,279.09x = 8,664.49 × 3,627.35
  4. Step 4: Simplify right side
    6,279.09x = 31,429,164.00
  5. Step 5: Solve for x
    x = 31,429,164.00/6,279.09
  6. Step 6: Final answer
    x = 5,005.37

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1.5x scale

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.