Home / 4,009.68-6,008.88-2,156.64

Finding the Fourth Proportional to 4,009.68, 6,008.88 and 2,156.64

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Solution

The fourth proportional to 4,009.68, 6,008.88 and 2,156.64 is: 3,231.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,009.68 : 6,008.88 = 2,156.64 : x
  2. Step 2: Convert to fraction form
    4,009.68/6,008.88 = 2,156.64/x
  3. Step 3: Cross multiply
    4,009.68x = 6,008.88 × 2,156.64
  4. Step 4: Simplify right side
    4,009.68x = 12,958,990.96
  5. Step 5: Solve for x
    x = 12,958,990.96/4,009.68
  6. Step 6: Final answer
    x = 3,231.93

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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.