Home / 5,458.57-8,188.38-2,170.94

Finding the Fourth Proportional to 5,458.57, 8,188.38 and 2,170.94

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Solution

The fourth proportional to 5,458.57, 8,188.38 and 2,170.94 is: 3,256.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.57 : 8,188.38 = 2,170.94 : x
  2. Step 2: Convert to fraction form
    5,458.57/8,188.38 = 2,170.94/x
  3. Step 3: Cross multiply
    5,458.57x = 8,188.38 × 2,170.94
  4. Step 4: Simplify right side
    5,458.57x = 17,776,440.74
  5. Step 5: Solve for x
    x = 17,776,440.74/5,458.57
  6. Step 6: Final answer
    x = 3,256.61

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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.