Home / 6,383.80-8,809.62-3,730.68

Finding the Fourth Proportional to 6,383.80, 8,809.62 and 3,730.68

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Solution

The fourth proportional to 6,383.80, 8,809.62 and 3,730.68 is: 5,148.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,383.80 : 8,809.62 = 3,730.68 : x
  2. Step 2: Convert to fraction form
    6,383.80/8,809.62 = 3,730.68/x
  3. Step 3: Cross multiply
    6,383.80x = 8,809.62 × 3,730.68
  4. Step 4: Simplify right side
    6,383.80x = 32,865,873.14
  5. Step 5: Solve for x
    x = 32,865,873.14/6,383.80
  6. Step 6: Final answer
    x = 5,148.32

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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.