Home / 8,005.08-12,007.62-2,740.68

Finding the Fourth Proportional to 8,005.08, 12,007.62 and 2,740.68

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Solution

The fourth proportional to 8,005.08, 12,007.62 and 2,740.68 is: 4,111.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,005.08 : 12,007.62 = 2,740.68 : x
  2. Step 2: Convert to fraction form
    8,005.08/12,007.62 = 2,740.68/x
  3. Step 3: Cross multiply
    8,005.08x = 12,007.62 × 2,740.68
  4. Step 4: Simplify right side
    8,005.08x = 32,909,043.98
  5. Step 5: Solve for x
    x = 32,909,043.98/8,005.08
  6. Step 6: Final answer
    x = 4,111.02

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Similar ratio
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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.