Home / 4,406.55-6,609.81-1,119.69

Finding the Fourth Proportional to 4,406.55, 6,609.81 and 1,119.69

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Solution

The fourth proportional to 4,406.55, 6,609.81 and 1,119.69 is: 1,679.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,406.55 : 6,609.81 = 1,119.69 : x
  2. Step 2: Convert to fraction form
    4,406.55/6,609.81 = 1,119.69/x
  3. Step 3: Cross multiply
    4,406.55x = 6,609.81 × 1,119.69
  4. Step 4: Simplify right side
    4,406.55x = 7,400,938.16
  5. Step 5: Solve for x
    x = 7,400,938.16/4,406.55
  6. Step 6: Final answer
    x = 1,679.53

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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.