Home / 4,109.20-6,156.60-2,568.40

Finding the Fourth Proportional to 4,109.20, 6,156.60 and 2,568.40

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Solution

The fourth proportional to 4,109.20, 6,156.60 and 2,568.40 is: 3,848.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.20 : 6,156.60 = 2,568.40 : x
  2. Step 2: Convert to fraction form
    4,109.20/6,156.60 = 2,568.40/x
  3. Step 3: Cross multiply
    4,109.20x = 6,156.60 × 2,568.40
  4. Step 4: Simplify right side
    4,109.20x = 15,812,611.44
  5. Step 5: Solve for x
    x = 15,812,611.44/4,109.20
  6. Step 6: Final answer
    x = 3,848.10

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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.