Home / 5,829.16-8,045.70-3,939.88

Finding the Fourth Proportional to 5,829.16, 8,045.70 and 3,939.88

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Solution

The fourth proportional to 5,829.16, 8,045.70 and 3,939.88 is: 5,438.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,829.16 : 8,045.70 = 3,939.88 : x
  2. Step 2: Convert to fraction form
    5,829.16/8,045.70 = 3,939.88/x
  3. Step 3: Cross multiply
    5,829.16x = 8,045.70 × 3,939.88
  4. Step 4: Simplify right side
    5,829.16x = 31,699,092.52
  5. Step 5: Solve for x
    x = 31,699,092.52/5,829.16
  6. Step 6: Final answer
    x = 5,438.02

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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.