Home / 5,470.80-8,201.70-2,353.20

Finding the Fourth Proportional to 5,470.80, 8,201.70 and 2,353.20

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Solution

The fourth proportional to 5,470.80, 8,201.70 and 2,353.20 is: 3,527.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.80 : 8,201.70 = 2,353.20 : x
  2. Step 2: Convert to fraction form
    5,470.80/8,201.70 = 2,353.20/x
  3. Step 3: Cross multiply
    5,470.80x = 8,201.70 × 2,353.20
  4. Step 4: Simplify right side
    5,470.80x = 19,300,240.44
  5. Step 5: Solve for x
    x = 19,300,240.44/5,470.80
  6. Step 6: Final answer
    x = 3,527.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.