Home / 6,407.14-9,610.36-1,964.80

Finding the Fourth Proportional to 6,407.14, 9,610.36 and 1,964.80

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Solution

The fourth proportional to 6,407.14, 9,610.36 and 1,964.80 is: 2,947.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,407.14 : 9,610.36 = 1,964.80 : x
  2. Step 2: Convert to fraction form
    6,407.14/9,610.36 = 1,964.80/x
  3. Step 3: Cross multiply
    6,407.14x = 9,610.36 × 1,964.80
  4. Step 4: Simplify right side
    6,407.14x = 18,882,435.33
  5. Step 5: Solve for x
    x = 18,882,435.33/6,407.14
  6. Step 6: Final answer
    x = 2,947.09

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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.