Home / 4,182.18-5,766.72-2,856.60

Finding the Fourth Proportional to 4,182.18, 5,766.72 and 2,856.60

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Solution

The fourth proportional to 4,182.18, 5,766.72 and 2,856.60 is: 3,938.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,182.18 : 5,766.72 = 2,856.60 : x
  2. Step 2: Convert to fraction form
    4,182.18/5,766.72 = 2,856.60/x
  3. Step 3: Cross multiply
    4,182.18x = 5,766.72 × 2,856.60
  4. Step 4: Simplify right side
    4,182.18x = 16,473,212.35
  5. Step 5: Solve for x
    x = 16,473,212.35/4,182.18
  6. Step 6: Final answer
    x = 3,938.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.