Home / 6,320.55-9,481.06-1,640.43

Finding the Fourth Proportional to 6,320.55, 9,481.06 and 1,640.43

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Solution

The fourth proportional to 6,320.55, 9,481.06 and 1,640.43 is: 2,460.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320.55 : 9,481.06 = 1,640.43 : x
  2. Step 2: Convert to fraction form
    6,320.55/9,481.06 = 1,640.43/x
  3. Step 3: Cross multiply
    6,320.55x = 9,481.06 × 1,640.43
  4. Step 4: Simplify right side
    6,320.55x = 15,553,015.26
  5. Step 5: Solve for x
    x = 15,553,015.26/6,320.55
  6. Step 6: Final answer
    x = 2,460.71

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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.