Home / 4,406.31-6,609.57-1,119.66

Finding the Fourth Proportional to 4,406.31, 6,609.57 and 1,119.66

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Solution

The fourth proportional to 4,406.31, 6,609.57 and 1,119.66 is: 1,679.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,406.31 : 6,609.57 = 1,119.66 : x
  2. Step 2: Convert to fraction form
    4,406.31/6,609.57 = 1,119.66/x
  3. Step 3: Cross multiply
    4,406.31x = 6,609.57 × 1,119.66
  4. Step 4: Simplify right side
    4,406.31x = 7,400,471.15
  5. Step 5: Solve for x
    x = 7,400,471.15/4,406.31
  6. Step 6: Final answer
    x = 1,679.52

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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.