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Finding the Fourth Proportional to 6,450.36, 8,881.63 and 5,649.06

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Solution

The fourth proportional to 6,450.36, 8,881.63 and 5,649.06 is: 7,778.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,450.36 : 8,881.63 = 5,649.06 : x
  2. Step 2: Convert to fraction form
    6,450.36/8,881.63 = 5,649.06/x
  3. Step 3: Cross multiply
    6,450.36x = 8,881.63 × 5,649.06
  4. Step 4: Simplify right side
    6,450.36x = 50,172,832.52
  5. Step 5: Solve for x
    x = 50,172,832.52/6,450.36
  6. Step 6: Final answer
    x = 7,778.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.