Home / 4,981.88-6,875.08-2,743.86

Finding the Fourth Proportional to 4,981.88, 6,875.08 and 2,743.86

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Solution

The fourth proportional to 4,981.88, 6,875.08 and 2,743.86 is: 3,786.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.88 : 6,875.08 = 2,743.86 : x
  2. Step 2: Convert to fraction form
    4,981.88/6,875.08 = 2,743.86/x
  3. Step 3: Cross multiply
    4,981.88x = 6,875.08 × 2,743.86
  4. Step 4: Simplify right side
    4,981.88x = 18,864,257.01
  5. Step 5: Solve for x
    x = 18,864,257.01/4,981.88
  6. Step 6: Final answer
    x = 3,786.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.