Home / 8,168.91-11,273.90-4,981.97

Finding the Fourth Proportional to 8,168.91, 11,273.90 and 4,981.97

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Solution

The fourth proportional to 8,168.91, 11,273.90 and 4,981.97 is: 6,875.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168.91 : 11,273.90 = 4,981.97 : x
  2. Step 2: Convert to fraction form
    8,168.91/11,273.90 = 4,981.97/x
  3. Step 3: Cross multiply
    8,168.91x = 11,273.90 × 4,981.97
  4. Step 4: Simplify right side
    8,168.91x = 56,166,150.30
  5. Step 5: Solve for x
    x = 56,166,150.30/8,168.91
  6. Step 6: Final answer
    x = 6,875.60

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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.