Home / 4,622.43-6,378.19-2,854.60

Finding the Fourth Proportional to 4,622.43, 6,378.19 and 2,854.60

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Solution

The fourth proportional to 4,622.43, 6,378.19 and 2,854.60 is: 3,938.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,622.43 : 6,378.19 = 2,854.60 : x
  2. Step 2: Convert to fraction form
    4,622.43/6,378.19 = 2,854.60/x
  3. Step 3: Cross multiply
    4,622.43x = 6,378.19 × 2,854.60
  4. Step 4: Simplify right side
    4,622.43x = 18,207,181.17
  5. Step 5: Solve for x
    x = 18,207,181.17/4,622.43
  6. Step 6: Final answer
    x = 3,938.88

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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.