Home / 8,122.72-11,211.44-4,588

Finding the Fourth Proportional to 8,122.72, 11,211.44 and 4,588

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Solution

The fourth proportional to 8,122.72, 11,211.44 and 4,588 is: 6,332.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122.72 : 11,211.44 = 4,588 : x
  2. Step 2: Convert to fraction form
    8,122.72/11,211.44 = 4,588/x
  3. Step 3: Cross multiply
    8,122.72x = 11,211.44 × 4,588
  4. Step 4: Simplify right side
    8,122.72x = 51,438,086.72
  5. Step 5: Solve for x
    x = 51,438,086.72/8,122.72
  6. Step 6: Final answer
    x = 6,332.62

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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.