Home / 5,971.50-8,240.28-3,318.81

Finding the Fourth Proportional to 5,971.50, 8,240.28 and 3,318.81

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Solution

The fourth proportional to 5,971.50, 8,240.28 and 3,318.81 is: 4,579.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,971.50 : 8,240.28 = 3,318.81 : x
  2. Step 2: Convert to fraction form
    5,971.50/8,240.28 = 3,318.81/x
  3. Step 3: Cross multiply
    5,971.50x = 8,240.28 × 3,318.81
  4. Step 4: Simplify right side
    5,971.50x = 27,347,923.67
  5. Step 5: Solve for x
    x = 27,347,923.67/5,971.50
  6. Step 6: Final answer
    x = 4,579.74

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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.