Home / 4,159.72-6,243.81-2,081.23

Finding the Fourth Proportional to 4,159.72, 6,243.81 and 2,081.23

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Solution

The fourth proportional to 4,159.72, 6,243.81 and 2,081.23 is: 3,123.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,159.72 : 6,243.81 = 2,081.23 : x
  2. Step 2: Convert to fraction form
    4,159.72/6,243.81 = 2,081.23/x
  3. Step 3: Cross multiply
    4,159.72x = 6,243.81 × 2,081.23
  4. Step 4: Simplify right side
    4,159.72x = 12,994,804.69
  5. Step 5: Solve for x
    x = 12,994,804.69/4,159.72
  6. Step 6: Final answer
    x = 3,123.96

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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.