Home / 6,453.20-9,680.40-2,010.90

Finding the Fourth Proportional to 6,453.20, 9,680.40 and 2,010.90

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Solution

The fourth proportional to 6,453.20, 9,680.40 and 2,010.90 is: 3,016.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,453.20 : 9,680.40 = 2,010.90 : x
  2. Step 2: Convert to fraction form
    6,453.20/9,680.40 = 2,010.90/x
  3. Step 3: Cross multiply
    6,453.20x = 9,680.40 × 2,010.90
  4. Step 4: Simplify right side
    6,453.20x = 19,466,316.36
  5. Step 5: Solve for x
    x = 19,466,316.36/6,453.20
  6. Step 6: Final answer
    x = 3,016.54

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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.