Home / 6,619.48-9,933.20-2,458.80

Finding the Fourth Proportional to 6,619.48, 9,933.20 and 2,458.80

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Solution

The fourth proportional to 6,619.48, 9,933.20 and 2,458.80 is: 3,689.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619.48 : 9,933.20 = 2,458.80 : x
  2. Step 2: Convert to fraction form
    6,619.48/9,933.20 = 2,458.80/x
  3. Step 3: Cross multiply
    6,619.48x = 9,933.20 × 2,458.80
  4. Step 4: Simplify right side
    6,619.48x = 24,423,752.16
  5. Step 5: Solve for x
    x = 24,423,752.16/6,619.48
  6. Step 6: Final answer
    x = 3,689.68

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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.