Home / 4,120.47-6,180.50-3,303.86

Finding the Fourth Proportional to 4,120.47, 6,180.50 and 3,303.86

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Solution

The fourth proportional to 4,120.47, 6,180.50 and 3,303.86 is: 4,955.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.47 : 6,180.50 = 3,303.86 : x
  2. Step 2: Convert to fraction form
    4,120.47/6,180.50 = 3,303.86/x
  3. Step 3: Cross multiply
    4,120.47x = 6,180.50 × 3,303.86
  4. Step 4: Simplify right side
    4,120.47x = 20,419,484.09
  5. Step 5: Solve for x
    x = 20,419,484.09/4,120.47
  6. Step 6: Final answer
    x = 4,955.62

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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.