Home / 4,720.91-6,515.01-2,731.61

Finding the Fourth Proportional to 4,720.91, 6,515.01 and 2,731.61

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Solution

The fourth proportional to 4,720.91, 6,515.01 and 2,731.61 is: 3,769.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.91 : 6,515.01 = 2,731.61 : x
  2. Step 2: Convert to fraction form
    4,720.91/6,515.01 = 2,731.61/x
  3. Step 3: Cross multiply
    4,720.91x = 6,515.01 × 2,731.61
  4. Step 4: Simplify right side
    4,720.91x = 17,796,433.89
  5. Step 5: Solve for x
    x = 17,796,433.89/4,720.91
  6. Step 6: Final answer
    x = 3,769.71

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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.