Home / 7,685.33-11,532.47-3,242.72

Finding the Fourth Proportional to 7,685.33, 11,532.47 and 3,242.72

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Solution

The fourth proportional to 7,685.33, 11,532.47 and 3,242.72 is: 4,865.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,685.33 : 11,532.47 = 3,242.72 : x
  2. Step 2: Convert to fraction form
    7,685.33/11,532.47 = 3,242.72/x
  3. Step 3: Cross multiply
    7,685.33x = 11,532.47 × 3,242.72
  4. Step 4: Simplify right side
    7,685.33x = 37,396,497.24
  5. Step 5: Solve for x
    x = 37,396,497.24/7,685.33
  6. Step 6: Final answer
    x = 4,865.96

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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.