Home / 4,884.40-7,327.11-1,421.65

Finding the Fourth Proportional to 4,884.40, 7,327.11 and 1,421.65

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Solution

The fourth proportional to 4,884.40, 7,327.11 and 1,421.65 is: 2,132.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,884.40 : 7,327.11 = 1,421.65 : x
  2. Step 2: Convert to fraction form
    4,884.40/7,327.11 = 1,421.65/x
  3. Step 3: Cross multiply
    4,884.40x = 7,327.11 × 1,421.65
  4. Step 4: Simplify right side
    4,884.40x = 10,416,585.93
  5. Step 5: Solve for x
    x = 10,416,585.93/4,884.40
  6. Step 6: Final answer
    x = 2,132.62

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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.