Home / 4,321.46-6,473.57-3,330.81

Finding the Fourth Proportional to 4,321.46, 6,473.57 and 3,330.81

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Solution

The fourth proportional to 4,321.46, 6,473.57 and 3,330.81 is: 4,989.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321.46 : 6,473.57 = 3,330.81 : x
  2. Step 2: Convert to fraction form
    4,321.46/6,473.57 = 3,330.81/x
  3. Step 3: Cross multiply
    4,321.46x = 6,473.57 × 3,330.81
  4. Step 4: Simplify right side
    4,321.46x = 21,562,215.04
  5. Step 5: Solve for x
    x = 21,562,215.04/4,321.46
  6. Step 6: Final answer
    x = 4,989.57

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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.