Home / 4,576.38-6,315.36-2,687.61

Finding the Fourth Proportional to 4,576.38, 6,315.36 and 2,687.61

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Solution

The fourth proportional to 4,576.38, 6,315.36 and 2,687.61 is: 3,708.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,576.38 : 6,315.36 = 2,687.61 : x
  2. Step 2: Convert to fraction form
    4,576.38/6,315.36 = 2,687.61/x
  3. Step 3: Cross multiply
    4,576.38x = 6,315.36 × 2,687.61
  4. Step 4: Simplify right side
    4,576.38x = 16,973,224.69
  5. Step 5: Solve for x
    x = 16,973,224.69/4,576.38
  6. Step 6: Final answer
    x = 3,708.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.