Home / 4,260.65-6,381.54-2,612.21

Finding the Fourth Proportional to 4,260.65, 6,381.54 and 2,612.21

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Solution

The fourth proportional to 4,260.65, 6,381.54 and 2,612.21 is: 3,912.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,260.65 : 6,381.54 = 2,612.21 : x
  2. Step 2: Convert to fraction form
    4,260.65/6,381.54 = 2,612.21/x
  3. Step 3: Cross multiply
    4,260.65x = 6,381.54 × 2,612.21
  4. Step 4: Simplify right side
    4,260.65x = 16,669,890.70
  5. Step 5: Solve for x
    x = 16,669,890.70/4,260.65
  6. Step 6: Final answer
    x = 3,912.53

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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.