Home / 4,239.59-6,359.77-1,119.56

Finding the Fourth Proportional to 4,239.59, 6,359.77 and 1,119.56

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Solution

The fourth proportional to 4,239.59, 6,359.77 and 1,119.56 is: 1,679.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,239.59 : 6,359.77 = 1,119.56 : x
  2. Step 2: Convert to fraction form
    4,239.59/6,359.77 = 1,119.56/x
  3. Step 3: Cross multiply
    4,239.59x = 6,359.77 × 1,119.56
  4. Step 4: Simplify right side
    4,239.59x = 7,120,107.40
  5. Step 5: Solve for x
    x = 7,120,107.40/4,239.59
  6. Step 6: Final answer
    x = 1,679.43

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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.