Home / 4,731.62-6,531.09-2,742.68

Finding the Fourth Proportional to 4,731.62, 6,531.09 and 2,742.68

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Solution

The fourth proportional to 4,731.62, 6,531.09 and 2,742.68 is: 3,785.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,731.62 : 6,531.09 = 2,742.68 : x
  2. Step 2: Convert to fraction form
    4,731.62/6,531.09 = 2,742.68/x
  3. Step 3: Cross multiply
    4,731.62x = 6,531.09 × 2,742.68
  4. Step 4: Simplify right side
    4,731.62x = 17,912,689.92
  5. Step 5: Solve for x
    x = 17,912,689.92/4,731.62
  6. Step 6: Final answer
    x = 3,785.74

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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.