Home / 4,662.28-6,432.42-2,672.20

Finding the Fourth Proportional to 4,662.28, 6,432.42 and 2,672.20

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Solution

The fourth proportional to 4,662.28, 6,432.42 and 2,672.20 is: 3,686.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,662.28 : 6,432.42 = 2,672.20 : x
  2. Step 2: Convert to fraction form
    4,662.28/6,432.42 = 2,672.20/x
  3. Step 3: Cross multiply
    4,662.28x = 6,432.42 × 2,672.20
  4. Step 4: Simplify right side
    4,662.28x = 17,188,712.72
  5. Step 5: Solve for x
    x = 17,188,712.72/4,662.28
  6. Step 6: Final answer
    x = 3,686.76

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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.