Home / 8,473.28-12,710.74-2,628.32

Finding the Fourth Proportional to 8,473.28, 12,710.74 and 2,628.32

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Solution

The fourth proportional to 8,473.28, 12,710.74 and 2,628.32 is: 3,942.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,473.28 : 12,710.74 = 2,628.32 : x
  2. Step 2: Convert to fraction form
    8,473.28/12,710.74 = 2,628.32/x
  3. Step 3: Cross multiply
    8,473.28x = 12,710.74 × 2,628.32
  4. Step 4: Simplify right side
    8,473.28x = 33,407,892.16
  5. Step 5: Solve for x
    x = 33,407,892.16/8,473.28
  6. Step 6: Final answer
    x = 3,942.73

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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.