Home / 7,660.71-11,492.28-3,277.80

Finding the Fourth Proportional to 7,660.71, 11,492.28 and 3,277.80

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Solution

The fourth proportional to 7,660.71, 11,492.28 and 3,277.80 is: 4,917.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,660.71 : 11,492.28 = 3,277.80 : x
  2. Step 2: Convert to fraction form
    7,660.71/11,492.28 = 3,277.80/x
  3. Step 3: Cross multiply
    7,660.71x = 11,492.28 × 3,277.80
  4. Step 4: Simplify right side
    7,660.71x = 37,669,395.38
  5. Step 5: Solve for x
    x = 37,669,395.38/7,660.71
  6. Step 6: Final answer
    x = 4,917.22

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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.