Home / 5,291.60-7,938.78-2,004.76

Finding the Fourth Proportional to 5,291.60, 7,938.78 and 2,004.76

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Solution

The fourth proportional to 5,291.60, 7,938.78 and 2,004.76 is: 3,007.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.60 : 7,938.78 = 2,004.76 : x
  2. Step 2: Convert to fraction form
    5,291.60/7,938.78 = 2,004.76/x
  3. Step 3: Cross multiply
    5,291.60x = 7,938.78 × 2,004.76
  4. Step 4: Simplify right side
    5,291.60x = 15,915,348.59
  5. Step 5: Solve for x
    x = 15,915,348.59/5,291.60
  6. Step 6: Final answer
    x = 3,007.66

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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.