Home / 5,551.28-8,329.22-2,429.68

Finding the Fourth Proportional to 5,551.28, 8,329.22 and 2,429.68

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Solution

The fourth proportional to 5,551.28, 8,329.22 and 2,429.68 is: 3,645.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.28 : 8,329.22 = 2,429.68 : x
  2. Step 2: Convert to fraction form
    5,551.28/8,329.22 = 2,429.68/x
  3. Step 3: Cross multiply
    5,551.28x = 8,329.22 × 2,429.68
  4. Step 4: Simplify right side
    5,551.28x = 20,237,325.40
  5. Step 5: Solve for x
    x = 20,237,325.40/5,551.28
  6. Step 6: Final answer
    x = 3,645.53

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1.5x scale

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.