Home / 6,786.86-10,180.50-3,228.20

Finding the Fourth Proportional to 6,786.86, 10,180.50 and 3,228.20

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Solution

The fourth proportional to 6,786.86, 10,180.50 and 3,228.20 is: 4,842.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,786.86 : 10,180.50 = 3,228.20 : x
  2. Step 2: Convert to fraction form
    6,786.86/10,180.50 = 3,228.20/x
  3. Step 3: Cross multiply
    6,786.86x = 10,180.50 × 3,228.20
  4. Step 4: Simplify right side
    6,786.86x = 32,864,690.10
  5. Step 5: Solve for x
    x = 32,864,690.10/6,786.86
  6. Step 6: Final answer
    x = 4,842.40

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Double scale
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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.