Home / 5,553.86-8,321.07-3,240.50

Finding the Fourth Proportional to 5,553.86, 8,321.07 and 3,240.50

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Solution

The fourth proportional to 5,553.86, 8,321.07 and 3,240.50 is: 4,855.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.86 : 8,321.07 = 3,240.50 : x
  2. Step 2: Convert to fraction form
    5,553.86/8,321.07 = 3,240.50/x
  3. Step 3: Cross multiply
    5,553.86x = 8,321.07 × 3,240.50
  4. Step 4: Simplify right side
    5,553.86x = 26,964,427.34
  5. Step 5: Solve for x
    x = 26,964,427.34/5,553.86
  6. Step 6: Final answer
    x = 4,855.08

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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.