Home / 5,288.46-7,921.90-2,506.70

Finding the Fourth Proportional to 5,288.46, 7,921.90 and 2,506.70

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Solution

The fourth proportional to 5,288.46, 7,921.90 and 2,506.70 is: 3,754.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.46 : 7,921.90 = 2,506.70 : x
  2. Step 2: Convert to fraction form
    5,288.46/7,921.90 = 2,506.70/x
  3. Step 3: Cross multiply
    5,288.46x = 7,921.90 × 2,506.70
  4. Step 4: Simplify right side
    5,288.46x = 19,857,826.73
  5. Step 5: Solve for x
    x = 19,857,826.73/5,288.46
  6. Step 6: Final answer
    x = 3,754.94

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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.