Home / 4,629.38-6,388.56-4,276.20

Finding the Fourth Proportional to 4,629.38, 6,388.56 and 4,276.20

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Solution

The fourth proportional to 4,629.38, 6,388.56 and 4,276.20 is: 5,901.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,629.38 : 6,388.56 = 4,276.20 : x
  2. Step 2: Convert to fraction form
    4,629.38/6,388.56 = 4,276.20/x
  3. Step 3: Cross multiply
    4,629.38x = 6,388.56 × 4,276.20
  4. Step 4: Simplify right side
    4,629.38x = 27,318,760.25
  5. Step 5: Solve for x
    x = 27,318,760.25/4,629.38
  6. Step 6: Final answer
    x = 5,901.17

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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.