Home / 5,971.45-8,240.61-3,318.79

Finding the Fourth Proportional to 5,971.45, 8,240.61 and 3,318.79

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Solution

The fourth proportional to 5,971.45, 8,240.61 and 3,318.79 is: 4,579.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,971.45 : 8,240.61 = 3,318.79 : x
  2. Step 2: Convert to fraction form
    5,971.45/8,240.61 = 3,318.79/x
  3. Step 3: Cross multiply
    5,971.45x = 8,240.61 × 3,318.79
  4. Step 4: Simplify right side
    5,971.45x = 27,348,854.06
  5. Step 5: Solve for x
    x = 27,348,854.06/5,971.45
  6. Step 6: Final answer
    x = 4,579.94

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1.5x scale

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.