Home / 6,631.35-9,945.79-2,681.57

Finding the Fourth Proportional to 6,631.35, 9,945.79 and 2,681.57

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Solution

The fourth proportional to 6,631.35, 9,945.79 and 2,681.57 is: 4,021.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,631.35 : 9,945.79 = 2,681.57 : x
  2. Step 2: Convert to fraction form
    6,631.35/9,945.79 = 2,681.57/x
  3. Step 3: Cross multiply
    6,631.35x = 9,945.79 × 2,681.57
  4. Step 4: Simplify right side
    6,631.35x = 26,670,350.25
  5. Step 5: Solve for x
    x = 26,670,350.25/6,631.35
  6. Step 6: Final answer
    x = 4,021.86

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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.