Home / 4,610.12-6,912.27-1,488.78

Finding the Fourth Proportional to 4,610.12, 6,912.27 and 1,488.78

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Solution

The fourth proportional to 4,610.12, 6,912.27 and 1,488.78 is: 2,232.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,610.12 : 6,912.27 = 1,488.78 : x
  2. Step 2: Convert to fraction form
    4,610.12/6,912.27 = 1,488.78/x
  3. Step 3: Cross multiply
    4,610.12x = 6,912.27 × 1,488.78
  4. Step 4: Simplify right side
    4,610.12x = 10,290,849.33
  5. Step 5: Solve for x
    x = 10,290,849.33/4,610.12
  6. Step 6: Final answer
    x = 2,232.23

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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.