Home / 5,176.32-7,141.44-2,936.89

Finding the Fourth Proportional to 5,176.32, 7,141.44 and 2,936.89

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Solution

The fourth proportional to 5,176.32, 7,141.44 and 2,936.89 is: 4,051.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.32 : 7,141.44 = 2,936.89 : x
  2. Step 2: Convert to fraction form
    5,176.32/7,141.44 = 2,936.89/x
  3. Step 3: Cross multiply
    5,176.32x = 7,141.44 × 2,936.89
  4. Step 4: Simplify right side
    5,176.32x = 20,973,658.44
  5. Step 5: Solve for x
    x = 20,973,658.44/5,176.32
  6. Step 6: Final answer
    x = 4,051.85

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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.