Home / 4,987.14-6,882.69-2,997.38

Finding the Fourth Proportional to 4,987.14, 6,882.69 and 2,997.38

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Solution

The fourth proportional to 4,987.14, 6,882.69 and 2,997.38 is: 4,136.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.14 : 6,882.69 = 2,997.38 : x
  2. Step 2: Convert to fraction form
    4,987.14/6,882.69 = 2,997.38/x
  3. Step 3: Cross multiply
    4,987.14x = 6,882.69 × 2,997.38
  4. Step 4: Simplify right side
    4,987.14x = 20,630,002.94
  5. Step 5: Solve for x
    x = 20,630,002.94/4,987.14
  6. Step 6: Final answer
    x = 4,136.64

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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.