Home / 5,660.06-7,812.48-3,981.86

Finding the Fourth Proportional to 5,660.06, 7,812.48 and 3,981.86

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Solution

The fourth proportional to 5,660.06, 7,812.48 and 3,981.86 is: 5,496.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,660.06 : 7,812.48 = 3,981.86 : x
  2. Step 2: Convert to fraction form
    5,660.06/7,812.48 = 3,981.86/x
  3. Step 3: Cross multiply
    5,660.06x = 7,812.48 × 3,981.86
  4. Step 4: Simplify right side
    5,660.06x = 31,108,201.61
  5. Step 5: Solve for x
    x = 31,108,201.61/5,660.06
  6. Step 6: Final answer
    x = 5,496.09

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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.