Home / 4,121.55-6,175.08-3,432.63

Finding the Fourth Proportional to 4,121.55, 6,175.08 and 3,432.63

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Solution

The fourth proportional to 4,121.55, 6,175.08 and 3,432.63 is: 5,142.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.55 : 6,175.08 = 3,432.63 : x
  2. Step 2: Convert to fraction form
    4,121.55/6,175.08 = 3,432.63/x
  3. Step 3: Cross multiply
    4,121.55x = 6,175.08 × 3,432.63
  4. Step 4: Simplify right side
    4,121.55x = 21,196,764.86
  5. Step 5: Solve for x
    x = 21,196,764.86/4,121.55
  6. Step 6: Final answer
    x = 5,142.91

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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.