Home / 5,470.12-8,202.30-3,739.24

Finding the Fourth Proportional to 5,470.12, 8,202.30 and 3,739.24

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Solution

The fourth proportional to 5,470.12, 8,202.30 and 3,739.24 is: 5,606.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.12 : 8,202.30 = 3,739.24 : x
  2. Step 2: Convert to fraction form
    5,470.12/8,202.30 = 3,739.24/x
  3. Step 3: Cross multiply
    5,470.12x = 8,202.30 × 3,739.24
  4. Step 4: Simplify right side
    5,470.12x = 30,670,368.25
  5. Step 5: Solve for x
    x = 30,670,368.25/5,470.12
  6. Step 6: Final answer
    x = 5,606.89

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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.