Home / 5,441.40-8,165.16-2,321.07

Finding the Fourth Proportional to 5,441.40, 8,165.16 and 2,321.07

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Solution

The fourth proportional to 5,441.40, 8,165.16 and 2,321.07 is: 3,482.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,441.40 : 8,165.16 = 2,321.07 : x
  2. Step 2: Convert to fraction form
    5,441.40/8,165.16 = 2,321.07/x
  3. Step 3: Cross multiply
    5,441.40x = 8,165.16 × 2,321.07
  4. Step 4: Simplify right side
    5,441.40x = 18,951,907.92
  5. Step 5: Solve for x
    x = 18,951,907.92/5,441.40
  6. Step 6: Final answer
    x = 3,482.91

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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.