Home / 5,552.96-8,329.38-1,855.20

Finding the Fourth Proportional to 5,552.96, 8,329.38 and 1,855.20

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Solution

The fourth proportional to 5,552.96, 8,329.38 and 1,855.20 is: 2,782.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,552.96 : 8,329.38 = 1,855.20 : x
  2. Step 2: Convert to fraction form
    5,552.96/8,329.38 = 1,855.20/x
  3. Step 3: Cross multiply
    5,552.96x = 8,329.38 × 1,855.20
  4. Step 4: Simplify right side
    5,552.96x = 15,452,700.49
  5. Step 5: Solve for x
    x = 15,452,700.49/5,552.96
  6. Step 6: Final answer
    x = 2,782.79

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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.