Home / 5,424.83-7,486.32-3,186.73

Finding the Fourth Proportional to 5,424.83, 7,486.32 and 3,186.73

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Solution

The fourth proportional to 5,424.83, 7,486.32 and 3,186.73 is: 4,397.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.83 : 7,486.32 = 3,186.73 : x
  2. Step 2: Convert to fraction form
    5,424.83/7,486.32 = 3,186.73/x
  3. Step 3: Cross multiply
    5,424.83x = 7,486.32 × 3,186.73
  4. Step 4: Simplify right side
    5,424.83x = 23,856,880.53
  5. Step 5: Solve for x
    x = 23,856,880.53/5,424.83
  6. Step 6: Final answer
    x = 4,397.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.