Home / 4,342.38-6,513.92-1,222.64

Finding the Fourth Proportional to 4,342.38, 6,513.92 and 1,222.64

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Solution

The fourth proportional to 4,342.38, 6,513.92 and 1,222.64 is: 1,834.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,342.38 : 6,513.92 = 1,222.64 : x
  2. Step 2: Convert to fraction form
    4,342.38/6,513.92 = 1,222.64/x
  3. Step 3: Cross multiply
    4,342.38x = 6,513.92 × 1,222.64
  4. Step 4: Simplify right side
    4,342.38x = 7,964,140.47
  5. Step 5: Solve for x
    x = 7,964,140.47/4,342.38
  6. Step 6: Final answer
    x = 1,834.05

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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.