Home / 4,089.42-6,170.45-3,937.68

Finding the Fourth Proportional to 4,089.42, 6,170.45 and 3,937.68

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Solution

The fourth proportional to 4,089.42, 6,170.45 and 3,937.68 is: 5,941.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,089.42 : 6,170.45 = 3,937.68 : x
  2. Step 2: Convert to fraction form
    4,089.42/6,170.45 = 3,937.68/x
  3. Step 3: Cross multiply
    4,089.42x = 6,170.45 × 3,937.68
  4. Step 4: Simplify right side
    4,089.42x = 24,297,237.87
  5. Step 5: Solve for x
    x = 24,297,237.87/4,089.42
  6. Step 6: Final answer
    x = 5,941.49

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.