Home / 7,685.17-11,530.51-3,243.94

Finding the Fourth Proportional to 7,685.17, 11,530.51 and 3,243.94

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Solution

The fourth proportional to 7,685.17, 11,530.51 and 3,243.94 is: 4,867.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,685.17 : 11,530.51 = 3,243.94 : x
  2. Step 2: Convert to fraction form
    7,685.17/11,530.51 = 3,243.94/x
  3. Step 3: Cross multiply
    7,685.17x = 11,530.51 × 3,243.94
  4. Step 4: Simplify right side
    7,685.17x = 37,404,282.61
  5. Step 5: Solve for x
    x = 37,404,282.61/7,685.17
  6. Step 6: Final answer
    x = 4,867.07

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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.