Home / 6,288.92-8,678.19-3,636.48

Finding the Fourth Proportional to 6,288.92, 8,678.19 and 3,636.48

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Solution

The fourth proportional to 6,288.92, 8,678.19 and 3,636.48 is: 5,018.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,288.92 : 8,678.19 = 3,636.48 : x
  2. Step 2: Convert to fraction form
    6,288.92/8,678.19 = 3,636.48/x
  3. Step 3: Cross multiply
    6,288.92x = 8,678.19 × 3,636.48
  4. Step 4: Simplify right side
    6,288.92x = 31,558,064.37
  5. Step 5: Solve for x
    x = 31,558,064.37/6,288.92
  6. Step 6: Final answer
    x = 5,018.04

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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.