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Finding the Fourth Proportional to 6,671.98, 9,208.11 and 5,550.94

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Solution

The fourth proportional to 6,671.98, 9,208.11 and 5,550.94 is: 7,660.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,671.98 : 9,208.11 = 5,550.94 : x
  2. Step 2: Convert to fraction form
    6,671.98/9,208.11 = 5,550.94/x
  3. Step 3: Cross multiply
    6,671.98x = 9,208.11 × 5,550.94
  4. Step 4: Simplify right side
    6,671.98x = 51,113,666.12
  5. Step 5: Solve for x
    x = 51,113,666.12/6,671.98
  6. Step 6: Final answer
    x = 7,660.94

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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.