Home / 6,273.21-8,657.45-3,620.81

Finding the Fourth Proportional to 6,273.21, 8,657.45 and 3,620.81

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Solution

The fourth proportional to 6,273.21, 8,657.45 and 3,620.81 is: 4,996.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,273.21 : 8,657.45 = 3,620.81 : x
  2. Step 2: Convert to fraction form
    6,273.21/8,657.45 = 3,620.81/x
  3. Step 3: Cross multiply
    6,273.21x = 8,657.45 × 3,620.81
  4. Step 4: Simplify right side
    6,273.21x = 31,346,920.14
  5. Step 5: Solve for x
    x = 31,346,920.14/6,273.21
  6. Step 6: Final answer
    x = 4,996.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.