Home / 5,551.68-8,329.80-2,629.20

Finding the Fourth Proportional to 5,551.68, 8,329.80 and 2,629.20

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Solution

The fourth proportional to 5,551.68, 8,329.80 and 2,629.20 is: 3,944.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.68 : 8,329.80 = 2,629.20 : x
  2. Step 2: Convert to fraction form
    5,551.68/8,329.80 = 2,629.20/x
  3. Step 3: Cross multiply
    5,551.68x = 8,329.80 × 2,629.20
  4. Step 4: Simplify right side
    5,551.68x = 21,900,710.16
  5. Step 5: Solve for x
    x = 21,900,710.16/5,551.68
  6. Step 6: Final answer
    x = 3,944.88

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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.