Home / 4,331.91-6,499.38-3,147.06

Finding the Fourth Proportional to 4,331.91, 6,499.38 and 3,147.06

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Solution

The fourth proportional to 4,331.91, 6,499.38 and 3,147.06 is: 4,721.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,331.91 : 6,499.38 = 3,147.06 : x
  2. Step 2: Convert to fraction form
    4,331.91/6,499.38 = 3,147.06/x
  3. Step 3: Cross multiply
    4,331.91x = 6,499.38 × 3,147.06
  4. Step 4: Simplify right side
    4,331.91x = 20,453,920.88
  5. Step 5: Solve for x
    x = 20,453,920.88/4,331.91
  6. Step 6: Final answer
    x = 4,721.68

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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.