Home / 4,551.64-6,818.28-3,321.64

Finding the Fourth Proportional to 4,551.64, 6,818.28 and 3,321.64

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Solution

The fourth proportional to 4,551.64, 6,818.28 and 3,321.64 is: 4,975.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,551.64 : 6,818.28 = 3,321.64 : x
  2. Step 2: Convert to fraction form
    4,551.64/6,818.28 = 3,321.64/x
  3. Step 3: Cross multiply
    4,551.64x = 6,818.28 × 3,321.64
  4. Step 4: Simplify right side
    4,551.64x = 22,647,871.58
  5. Step 5: Solve for x
    x = 22,647,871.58/4,551.64
  6. Step 6: Final answer
    x = 4,975.76

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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.