Home / 4,679.91-7,021.63-2,182.37

Finding the Fourth Proportional to 4,679.91, 7,021.63 and 2,182.37

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Solution

The fourth proportional to 4,679.91, 7,021.63 and 2,182.37 is: 3,274.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.91 : 7,021.63 = 2,182.37 : x
  2. Step 2: Convert to fraction form
    4,679.91/7,021.63 = 2,182.37/x
  3. Step 3: Cross multiply
    4,679.91x = 7,021.63 × 2,182.37
  4. Step 4: Simplify right side
    4,679.91x = 15,323,794.66
  5. Step 5: Solve for x
    x = 15,323,794.66/4,679.91
  6. Step 6: Final answer
    x = 3,274.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.