Home / 6,644.73-9,161.21-5,445.30

Finding the Fourth Proportional to 6,644.73, 9,161.21 and 5,445.30

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Solution

The fourth proportional to 6,644.73, 9,161.21 and 5,445.30 is: 7,507.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,644.73 : 9,161.21 = 5,445.30 : x
  2. Step 2: Convert to fraction form
    6,644.73/9,161.21 = 5,445.30/x
  3. Step 3: Cross multiply
    6,644.73x = 9,161.21 × 5,445.30
  4. Step 4: Simplify right side
    6,644.73x = 49,885,550.43
  5. Step 5: Solve for x
    x = 49,885,550.43/6,644.73
  6. Step 6: Final answer
    x = 7,507.54

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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.