Home / 5,553.10-8,329.80-2,431.50

Finding the Fourth Proportional to 5,553.10, 8,329.80 and 2,431.50

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Solution

The fourth proportional to 5,553.10, 8,329.80 and 2,431.50 is: 3,647.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.10 : 8,329.80 = 2,431.50 : x
  2. Step 2: Convert to fraction form
    5,553.10/8,329.80 = 2,431.50/x
  3. Step 3: Cross multiply
    5,553.10x = 8,329.80 × 2,431.50
  4. Step 4: Simplify right side
    5,553.10x = 20,253,908.70
  5. Step 5: Solve for x
    x = 20,253,908.70/5,553.10
  6. Step 6: Final answer
    x = 3,647.32

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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.