Home / 5,535.21-7,648.32-4,425.31

Finding the Fourth Proportional to 5,535.21, 7,648.32 and 4,425.31

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Solution

The fourth proportional to 5,535.21, 7,648.32 and 4,425.31 is: 6,114.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,535.21 : 7,648.32 = 4,425.31 : x
  2. Step 2: Convert to fraction form
    5,535.21/7,648.32 = 4,425.31/x
  3. Step 3: Cross multiply
    5,535.21x = 7,648.32 × 4,425.31
  4. Step 4: Simplify right side
    5,535.21x = 33,846,186.98
  5. Step 5: Solve for x
    x = 33,846,186.98/5,535.21
  6. Step 6: Final answer
    x = 6,114.71

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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.