Home / 7,755.02-11,631.43-2,490.49

Finding the Fourth Proportional to 7,755.02, 11,631.43 and 2,490.49

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Solution

The fourth proportional to 7,755.02, 11,631.43 and 2,490.49 is: 3,735.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,755.02 : 11,631.43 = 2,490.49 : x
  2. Step 2: Convert to fraction form
    7,755.02/11,631.43 = 2,490.49/x
  3. Step 3: Cross multiply
    7,755.02x = 11,631.43 × 2,490.49
  4. Step 4: Simplify right side
    7,755.02x = 28,967,938.80
  5. Step 5: Solve for x
    x = 28,967,938.80/7,755.02
  6. Step 6: Final answer
    x = 3,735.38

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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.