Home / 4,380.76-6,043.26-2,807.68

Finding the Fourth Proportional to 4,380.76, 6,043.26 and 2,807.68

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Solution

The fourth proportional to 4,380.76, 6,043.26 and 2,807.68 is: 3,873.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380.76 : 6,043.26 = 2,807.68 : x
  2. Step 2: Convert to fraction form
    4,380.76/6,043.26 = 2,807.68/x
  3. Step 3: Cross multiply
    4,380.76x = 6,043.26 × 2,807.68
  4. Step 4: Simplify right side
    4,380.76x = 16,967,540.24
  5. Step 5: Solve for x
    x = 16,967,540.24/4,380.76
  6. Step 6: Final answer
    x = 3,873.20

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Half scale
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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.