Home / 5,689.46-8,523.21-3,216.71

Finding the Fourth Proportional to 5,689.46, 8,523.21 and 3,216.71

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Solution

The fourth proportional to 5,689.46, 8,523.21 and 3,216.71 is: 4,818.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,689.46 : 8,523.21 = 3,216.71 : x
  2. Step 2: Convert to fraction form
    5,689.46/8,523.21 = 3,216.71/x
  3. Step 3: Cross multiply
    5,689.46x = 8,523.21 × 3,216.71
  4. Step 4: Simplify right side
    5,689.46x = 27,416,694.84
  5. Step 5: Solve for x
    x = 27,416,694.84/5,689.46
  6. Step 6: Final answer
    x = 4,818.86

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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.