Home / 4,678.90-6,451.04-2,997.54

Finding the Fourth Proportional to 4,678.90, 6,451.04 and 2,997.54

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Solution

The fourth proportional to 4,678.90, 6,451.04 and 2,997.54 is: 4,132.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.90 : 6,451.04 = 2,997.54 : x
  2. Step 2: Convert to fraction form
    4,678.90/6,451.04 = 2,997.54/x
  3. Step 3: Cross multiply
    4,678.90x = 6,451.04 × 2,997.54
  4. Step 4: Simplify right side
    4,678.90x = 19,337,257.94
  5. Step 5: Solve for x
    x = 19,337,257.94/4,678.90
  6. Step 6: Final answer
    x = 4,132.87

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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.