Home / 4,812.32-6,640.32-2,716.64

Finding the Fourth Proportional to 4,812.32, 6,640.32 and 2,716.64

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Solution

The fourth proportional to 4,812.32, 6,640.32 and 2,716.64 is: 3,748.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.32 : 6,640.32 = 2,716.64 : x
  2. Step 2: Convert to fraction form
    4,812.32/6,640.32 = 2,716.64/x
  3. Step 3: Cross multiply
    4,812.32x = 6,640.32 × 2,716.64
  4. Step 4: Simplify right side
    4,812.32x = 18,039,358.92
  5. Step 5: Solve for x
    x = 18,039,358.92/4,812.32
  6. Step 6: Final answer
    x = 3,748.58

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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.