Home / 4,456.76-6,688.37-2,149.88

Finding the Fourth Proportional to 4,456.76, 6,688.37 and 2,149.88

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Solution

The fourth proportional to 4,456.76, 6,688.37 and 2,149.88 is: 3,226.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,456.76 : 6,688.37 = 2,149.88 : x
  2. Step 2: Convert to fraction form
    4,456.76/6,688.37 = 2,149.88/x
  3. Step 3: Cross multiply
    4,456.76x = 6,688.37 × 2,149.88
  4. Step 4: Simplify right side
    4,456.76x = 14,379,164.83
  5. Step 5: Solve for x
    x = 14,379,164.83/4,456.76
  6. Step 6: Final answer
    x = 3,226.38

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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.