Home / 4,239.92-6,359.88-1,161.92

Finding the Fourth Proportional to 4,239.92, 6,359.88 and 1,161.92

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Solution

The fourth proportional to 4,239.92, 6,359.88 and 1,161.92 is: 1,742.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,239.92 : 6,359.88 = 1,161.92 : x
  2. Step 2: Convert to fraction form
    4,239.92/6,359.88 = 1,161.92/x
  3. Step 3: Cross multiply
    4,239.92x = 6,359.88 × 1,161.92
  4. Step 4: Simplify right side
    4,239.92x = 7,389,671.77
  5. Step 5: Solve for x
    x = 7,389,671.77/4,239.92
  6. Step 6: Final answer
    x = 1,742.88

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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.