Home / 4,187.38-6,281.12-1,265.71

Finding the Fourth Proportional to 4,187.38, 6,281.12 and 1,265.71

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Solution

The fourth proportional to 4,187.38, 6,281.12 and 1,265.71 is: 1,898.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.38 : 6,281.12 = 1,265.71 : x
  2. Step 2: Convert to fraction form
    4,187.38/6,281.12 = 1,265.71/x
  3. Step 3: Cross multiply
    4,187.38x = 6,281.12 × 1,265.71
  4. Step 4: Simplify right side
    4,187.38x = 7,950,076.40
  5. Step 5: Solve for x
    x = 7,950,076.40/4,187.38
  6. Step 6: Final answer
    x = 1,898.58

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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.