Home / 6,519.79-9,785.13-2,824.84

Finding the Fourth Proportional to 6,519.79, 9,785.13 and 2,824.84

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Solution

The fourth proportional to 6,519.79, 9,785.13 and 2,824.84 is: 4,239.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,519.79 : 9,785.13 = 2,824.84 : x
  2. Step 2: Convert to fraction form
    6,519.79/9,785.13 = 2,824.84/x
  3. Step 3: Cross multiply
    6,519.79x = 9,785.13 × 2,824.84
  4. Step 4: Simplify right side
    6,519.79x = 27,641,426.63
  5. Step 5: Solve for x
    x = 27,641,426.63/6,519.79
  6. Step 6: Final answer
    x = 4,239.62

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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.