Home / 4,724.28-6,518.70-2,628

Finding the Fourth Proportional to 4,724.28, 6,518.70 and 2,628

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Solution

The fourth proportional to 4,724.28, 6,518.70 and 2,628 is: 3,626.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,724.28 : 6,518.70 = 2,628 : x
  2. Step 2: Convert to fraction form
    4,724.28/6,518.70 = 2,628/x
  3. Step 3: Cross multiply
    4,724.28x = 6,518.70 × 2,628
  4. Step 4: Simplify right side
    4,724.28x = 17,131,143.60
  5. Step 5: Solve for x
    x = 17,131,143.60/4,724.28
  6. Step 6: Final answer
    x = 3,626.19

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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.