Home / 4,639.38-6,960.14-1,561.38

Finding the Fourth Proportional to 4,639.38, 6,960.14 and 1,561.38

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Solution

The fourth proportional to 4,639.38, 6,960.14 and 1,561.38 is: 2,342.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.38 : 6,960.14 = 1,561.38 : x
  2. Step 2: Convert to fraction form
    4,639.38/6,960.14 = 1,561.38/x
  3. Step 3: Cross multiply
    4,639.38x = 6,960.14 × 1,561.38
  4. Step 4: Simplify right side
    4,639.38x = 10,867,423.39
  5. Step 5: Solve for x
    x = 10,867,423.39/4,639.38
  6. Step 6: Final answer
    x = 2,342.43

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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.