Home / 4,724.20-6,519.24-2,628.28

Finding the Fourth Proportional to 4,724.20, 6,519.24 and 2,628.28

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Solution

The fourth proportional to 4,724.20, 6,519.24 and 2,628.28 is: 3,626.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,724.20 : 6,519.24 = 2,628.28 : x
  2. Step 2: Convert to fraction form
    4,724.20/6,519.24 = 2,628.28/x
  3. Step 3: Cross multiply
    4,724.20x = 6,519.24 × 2,628.28
  4. Step 4: Simplify right side
    4,724.20x = 17,134,388.11
  5. Step 5: Solve for x
    x = 17,134,388.11/4,724.20
  6. Step 6: Final answer
    x = 3,626.94

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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.