Home / 5,176.39-7,145.13-3,051.85

Finding the Fourth Proportional to 5,176.39, 7,145.13 and 3,051.85

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Solution

The fourth proportional to 5,176.39, 7,145.13 and 3,051.85 is: 4,212.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.39 : 7,145.13 = 3,051.85 : x
  2. Step 2: Convert to fraction form
    5,176.39/7,145.13 = 3,051.85/x
  3. Step 3: Cross multiply
    5,176.39x = 7,145.13 × 3,051.85
  4. Step 4: Simplify right side
    5,176.39x = 21,805,864.99
  5. Step 5: Solve for x
    x = 21,805,864.99/5,176.39
  6. Step 6: Final answer
    x = 4,212.56

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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.