Home / 4,238.20-6,347.70-2,510.20

Finding the Fourth Proportional to 4,238.20, 6,347.70 and 2,510.20

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Solution

The fourth proportional to 4,238.20, 6,347.70 and 2,510.20 is: 3,759.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,238.20 : 6,347.70 = 2,510.20 : x
  2. Step 2: Convert to fraction form
    4,238.20/6,347.70 = 2,510.20/x
  3. Step 3: Cross multiply
    4,238.20x = 6,347.70 × 2,510.20
  4. Step 4: Simplify right side
    4,238.20x = 15,933,996.54
  5. Step 5: Solve for x
    x = 15,933,996.54/4,238.20
  6. Step 6: Final answer
    x = 3,759.61

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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.