Home / 4,124.20-6,171.90-2,885.80

Finding the Fourth Proportional to 4,124.20, 6,171.90 and 2,885.80

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Solution

The fourth proportional to 4,124.20, 6,171.90 and 2,885.80 is: 4,318.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,124.20 : 6,171.90 = 2,885.80 : x
  2. Step 2: Convert to fraction form
    4,124.20/6,171.90 = 2,885.80/x
  3. Step 3: Cross multiply
    4,124.20x = 6,171.90 × 2,885.80
  4. Step 4: Simplify right side
    4,124.20x = 17,810,869.02
  5. Step 5: Solve for x
    x = 17,810,869.02/4,124.20
  6. Step 6: Final answer
    x = 4,318.62

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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.