Home / 4,056.60-6,076.80-2,109.90

Finding the Fourth Proportional to 4,056.60, 6,076.80 and 2,109.90

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Solution

The fourth proportional to 4,056.60, 6,076.80 and 2,109.90 is: 3,160.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,056.60 : 6,076.80 = 2,109.90 : x
  2. Step 2: Convert to fraction form
    4,056.60/6,076.80 = 2,109.90/x
  3. Step 3: Cross multiply
    4,056.60x = 6,076.80 × 2,109.90
  4. Step 4: Simplify right side
    4,056.60x = 12,821,440.32
  5. Step 5: Solve for x
    x = 12,821,440.32/4,056.60
  6. Step 6: Final answer
    x = 3,160.64

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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.