Home / 7,756.57-11,635.70-2,490.35

Finding the Fourth Proportional to 7,756.57, 11,635.70 and 2,490.35

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Solution

The fourth proportional to 7,756.57, 11,635.70 and 2,490.35 is: 3,735.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,756.57 : 11,635.70 = 2,490.35 : x
  2. Step 2: Convert to fraction form
    7,756.57/11,635.70 = 2,490.35/x
  3. Step 3: Cross multiply
    7,756.57x = 11,635.70 × 2,490.35
  4. Step 4: Simplify right side
    7,756.57x = 28,976,982.13
  5. Step 5: Solve for x
    x = 28,976,982.13/7,756.57
  6. Step 6: Final answer
    x = 3,735.80

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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.