Home / 4,886.86-7,331.56-2,252.21

Finding the Fourth Proportional to 4,886.86, 7,331.56 and 2,252.21

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Solution

The fourth proportional to 4,886.86, 7,331.56 and 2,252.21 is: 3,378.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.86 : 7,331.56 = 2,252.21 : x
  2. Step 2: Convert to fraction form
    4,886.86/7,331.56 = 2,252.21/x
  3. Step 3: Cross multiply
    4,886.86x = 7,331.56 × 2,252.21
  4. Step 4: Simplify right side
    4,886.86x = 16,512,183.13
  5. Step 5: Solve for x
    x = 16,512,183.13/4,886.86
  6. Step 6: Final answer
    x = 3,378.90

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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.