Home / 5,288.72-7,935.20-2,002.74

Finding the Fourth Proportional to 5,288.72, 7,935.20 and 2,002.74

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Solution

The fourth proportional to 5,288.72, 7,935.20 and 2,002.74 is: 3,004.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.72 : 7,935.20 = 2,002.74 : x
  2. Step 2: Convert to fraction form
    5,288.72/7,935.20 = 2,002.74/x
  3. Step 3: Cross multiply
    5,288.72x = 7,935.20 × 2,002.74
  4. Step 4: Simplify right side
    5,288.72x = 15,892,132.43
  5. Step 5: Solve for x
    x = 15,892,132.43/5,288.72
  6. Step 6: Final answer
    x = 3,004.91

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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.