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Finding the Fourth Proportional to 6,649.96, 9,977.96 and 2,490.29

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Solution

The fourth proportional to 6,649.96, 9,977.96 and 2,490.29 is: 3,736.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,649.96 : 9,977.96 = 2,490.29 : x
  2. Step 2: Convert to fraction form
    6,649.96/9,977.96 = 2,490.29/x
  3. Step 3: Cross multiply
    6,649.96x = 9,977.96 × 2,490.29
  4. Step 4: Simplify right side
    6,649.96x = 24,847,970.34
  5. Step 5: Solve for x
    x = 24,847,970.34/6,649.96
  6. Step 6: Final answer
    x = 3,736.56

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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.