Home / 6,120.48-9,178.50-3,349.20

Finding the Fourth Proportional to 6,120.48, 9,178.50 and 3,349.20

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Solution

The fourth proportional to 6,120.48, 9,178.50 and 3,349.20 is: 5,022.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.48 : 9,178.50 = 3,349.20 : x
  2. Step 2: Convert to fraction form
    6,120.48/9,178.50 = 3,349.20/x
  3. Step 3: Cross multiply
    6,120.48x = 9,178.50 × 3,349.20
  4. Step 4: Simplify right side
    6,120.48x = 30,740,632.20
  5. Step 5: Solve for x
    x = 30,740,632.20/6,120.48
  6. Step 6: Final answer
    x = 5,022.59

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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.