Home / 4,271.62-6,411.42-2,631.37

Finding the Fourth Proportional to 4,271.62, 6,411.42 and 2,631.37

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Solution

The fourth proportional to 4,271.62, 6,411.42 and 2,631.37 is: 3,949.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,271.62 : 6,411.42 = 2,631.37 : x
  2. Step 2: Convert to fraction form
    4,271.62/6,411.42 = 2,631.37/x
  3. Step 3: Cross multiply
    4,271.62x = 6,411.42 × 2,631.37
  4. Step 4: Simplify right side
    4,271.62x = 16,870,818.25
  5. Step 5: Solve for x
    x = 16,870,818.25/4,271.62
  6. Step 6: Final answer
    x = 3,949.51

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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.