Home / 7,981.71-11,975.28-3,052.74

Finding the Fourth Proportional to 7,981.71, 11,975.28 and 3,052.74

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Solution

The fourth proportional to 7,981.71, 11,975.28 and 3,052.74 is: 4,580.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,981.71 : 11,975.28 = 3,052.74 : x
  2. Step 2: Convert to fraction form
    7,981.71/11,975.28 = 3,052.74/x
  3. Step 3: Cross multiply
    7,981.71x = 11,975.28 × 3,052.74
  4. Step 4: Simplify right side
    7,981.71x = 36,557,416.27
  5. Step 5: Solve for x
    x = 36,557,416.27/7,981.71
  6. Step 6: Final answer
    x = 4,580.15

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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.