Home / 5,181.14-7,150.91-3,056.55

Finding the Fourth Proportional to 5,181.14, 7,150.91 and 3,056.55

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Solution

The fourth proportional to 5,181.14, 7,150.91 and 3,056.55 is: 4,218.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.14 : 7,150.91 = 3,056.55 : x
  2. Step 2: Convert to fraction form
    5,181.14/7,150.91 = 3,056.55/x
  3. Step 3: Cross multiply
    5,181.14x = 7,150.91 × 3,056.55
  4. Step 4: Simplify right side
    5,181.14x = 21,857,071.86
  5. Step 5: Solve for x
    x = 21,857,071.86/5,181.14
  6. Step 6: Final answer
    x = 4,218.58

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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.