Home / 5,971.52-8,240.64-3,318.80

Finding the Fourth Proportional to 5,971.52, 8,240.64 and 3,318.80

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Solution

The fourth proportional to 5,971.52, 8,240.64 and 3,318.80 is: 4,579.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,971.52 : 8,240.64 = 3,318.80 : x
  2. Step 2: Convert to fraction form
    5,971.52/8,240.64 = 3,318.80/x
  3. Step 3: Cross multiply
    5,971.52x = 8,240.64 × 3,318.80
  4. Step 4: Simplify right side
    5,971.52x = 27,349,036.03
  5. Step 5: Solve for x
    x = 27,349,036.03/5,971.52
  6. Step 6: Final answer
    x = 4,579.91

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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.