Home / 7,755.85-11,633.59-2,490.87

Finding the Fourth Proportional to 7,755.85, 11,633.59 and 2,490.87

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Solution

The fourth proportional to 7,755.85, 11,633.59 and 2,490.87 is: 3,736.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,755.85 : 11,633.59 = 2,490.87 : x
  2. Step 2: Convert to fraction form
    7,755.85/11,633.59 = 2,490.87/x
  3. Step 3: Cross multiply
    7,755.85x = 11,633.59 × 2,490.87
  4. Step 4: Simplify right side
    7,755.85x = 28,977,760.32
  5. Step 5: Solve for x
    x = 28,977,760.32/7,755.85
  6. Step 6: Final answer
    x = 3,736.25

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1.5x scale

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.