Home / 4,541.25-6,812.85-1,421.19

Finding the Fourth Proportional to 4,541.25, 6,812.85 and 1,421.19

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Solution

The fourth proportional to 4,541.25, 6,812.85 and 1,421.19 is: 2,132.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,541.25 : 6,812.85 = 1,421.19 : x
  2. Step 2: Convert to fraction form
    4,541.25/6,812.85 = 1,421.19/x
  3. Step 3: Cross multiply
    4,541.25x = 6,812.85 × 1,421.19
  4. Step 4: Simplify right side
    4,541.25x = 9,682,354.29
  5. Step 5: Solve for x
    x = 9,682,354.29/4,541.25
  6. Step 6: Final answer
    x = 2,132.09

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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.