Home / 5,441.65-8,160.50-2,321.99

Finding the Fourth Proportional to 5,441.65, 8,160.50 and 2,321.99

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Solution

The fourth proportional to 5,441.65, 8,160.50 and 2,321.99 is: 3,482.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,441.65 : 8,160.50 = 2,321.99 : x
  2. Step 2: Convert to fraction form
    5,441.65/8,160.50 = 2,321.99/x
  3. Step 3: Cross multiply
    5,441.65x = 8,160.50 × 2,321.99
  4. Step 4: Simplify right side
    5,441.65x = 18,948,568.78
  5. Step 5: Solve for x
    x = 18,948,568.78/5,441.65
  6. Step 6: Final answer
    x = 3,482.14

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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.