Home / 5,276.68-7,912.32-2,812.84

Finding the Fourth Proportional to 5,276.68, 7,912.32 and 2,812.84

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Solution

The fourth proportional to 5,276.68, 7,912.32 and 2,812.84 is: 4,217.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.68 : 7,912.32 = 2,812.84 : x
  2. Step 2: Convert to fraction form
    5,276.68/7,912.32 = 2,812.84/x
  3. Step 3: Cross multiply
    5,276.68x = 7,912.32 × 2,812.84
  4. Step 4: Simplify right side
    5,276.68x = 22,256,090.19
  5. Step 5: Solve for x
    x = 22,256,090.19/5,276.68
  6. Step 6: Final answer
    x = 4,217.82

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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.