Home / 4,239.07-6,360.87-3,191.88

Finding the Fourth Proportional to 4,239.07, 6,360.87 and 3,191.88

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Solution

The fourth proportional to 4,239.07, 6,360.87 and 3,191.88 is: 4,789.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,239.07 : 6,360.87 = 3,191.88 : x
  2. Step 2: Convert to fraction form
    4,239.07/6,360.87 = 3,191.88/x
  3. Step 3: Cross multiply
    4,239.07x = 6,360.87 × 3,191.88
  4. Step 4: Simplify right side
    4,239.07x = 20,303,133.74
  5. Step 5: Solve for x
    x = 20,303,133.74/4,239.07
  6. Step 6: Final answer
    x = 4,789.53

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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.