Home / 5,800.31-8,004.35-3,147.70

Finding the Fourth Proportional to 5,800.31, 8,004.35 and 3,147.70

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Solution

The fourth proportional to 5,800.31, 8,004.35 and 3,147.70 is: 4,343.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,800.31 : 8,004.35 = 3,147.70 : x
  2. Step 2: Convert to fraction form
    5,800.31/8,004.35 = 3,147.70/x
  3. Step 3: Cross multiply
    5,800.31x = 8,004.35 × 3,147.70
  4. Step 4: Simplify right side
    5,800.31x = 25,195,292.50
  5. Step 5: Solve for x
    x = 25,195,292.50/5,800.31
  6. Step 6: Final answer
    x = 4,343.78

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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.