Home / 5,553.20-8,329.04-1,855.35

Finding the Fourth Proportional to 5,553.20, 8,329.04 and 1,855.35

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Solution

The fourth proportional to 5,553.20, 8,329.04 and 1,855.35 is: 2,782.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.20 : 8,329.04 = 1,855.35 : x
  2. Step 2: Convert to fraction form
    5,553.20/8,329.04 = 1,855.35/x
  3. Step 3: Cross multiply
    5,553.20x = 8,329.04 × 1,855.35
  4. Step 4: Simplify right side
    5,553.20x = 15,453,284.36
  5. Step 5: Solve for x
    x = 15,453,284.36/5,553.20
  6. Step 6: Final answer
    x = 2,782.77

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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.