Home / 4,724.60-6,519.96-2,628.72

Finding the Fourth Proportional to 4,724.60, 6,519.96 and 2,628.72

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Solution

The fourth proportional to 4,724.60, 6,519.96 and 2,628.72 is: 3,627.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,724.60 : 6,519.96 = 2,628.72 : x
  2. Step 2: Convert to fraction form
    4,724.60/6,519.96 = 2,628.72/x
  3. Step 3: Cross multiply
    4,724.60x = 6,519.96 × 2,628.72
  4. Step 4: Simplify right side
    4,724.60x = 17,139,149.25
  5. Step 5: Solve for x
    x = 17,139,149.25/4,724.60
  6. Step 6: Final answer
    x = 3,627.64

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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.