Home / 5,800.47-8,004.66-3,147.90

Finding the Fourth Proportional to 5,800.47, 8,004.66 and 3,147.90

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Solution

The fourth proportional to 5,800.47, 8,004.66 and 3,147.90 is: 4,344.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,800.47 : 8,004.66 = 3,147.90 : x
  2. Step 2: Convert to fraction form
    5,800.47/8,004.66 = 3,147.90/x
  3. Step 3: Cross multiply
    5,800.47x = 8,004.66 × 3,147.90
  4. Step 4: Simplify right side
    5,800.47x = 25,197,869.21
  5. Step 5: Solve for x
    x = 25,197,869.21/5,800.47
  6. Step 6: Final answer
    x = 4,344.11

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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.