Home / 6,219.20-9,320.52-2,319.68

Finding the Fourth Proportional to 6,219.20, 9,320.52 and 2,319.68

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Solution

The fourth proportional to 6,219.20, 9,320.52 and 2,319.68 is: 3,476.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,219.20 : 9,320.52 = 2,319.68 : x
  2. Step 2: Convert to fraction form
    6,219.20/9,320.52 = 2,319.68/x
  3. Step 3: Cross multiply
    6,219.20x = 9,320.52 × 2,319.68
  4. Step 4: Simplify right side
    6,219.20x = 21,620,623.83
  5. Step 5: Solve for x
    x = 21,620,623.83/6,219.20
  6. Step 6: Final answer
    x = 3,476.43

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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.