Home / 4,187.76-6,270.60-2,948.40

Finding the Fourth Proportional to 4,187.76, 6,270.60 and 2,948.40

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Solution

The fourth proportional to 4,187.76, 6,270.60 and 2,948.40 is: 4,414.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.76 : 6,270.60 = 2,948.40 : x
  2. Step 2: Convert to fraction form
    4,187.76/6,270.60 = 2,948.40/x
  3. Step 3: Cross multiply
    4,187.76x = 6,270.60 × 2,948.40
  4. Step 4: Simplify right side
    4,187.76x = 18,488,237.04
  5. Step 5: Solve for x
    x = 18,488,237.04/4,187.76
  6. Step 6: Final answer
    x = 4,414.83

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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.