Home / 6,631.57-9,945.12-3,342.56

Finding the Fourth Proportional to 6,631.57, 9,945.12 and 3,342.56

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Solution

The fourth proportional to 6,631.57, 9,945.12 and 3,342.56 is: 5,012.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,631.57 : 9,945.12 = 3,342.56 : x
  2. Step 2: Convert to fraction form
    6,631.57/9,945.12 = 3,342.56/x
  3. Step 3: Cross multiply
    6,631.57x = 9,945.12 × 3,342.56
  4. Step 4: Simplify right side
    6,631.57x = 33,242,160.31
  5. Step 5: Solve for x
    x = 33,242,160.31/6,631.57
  6. Step 6: Final answer
    x = 5,012.72

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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.