Home / 8,628.39-12,944.21-4,727.43

Finding the Fourth Proportional to 8,628.39, 12,944.21 and 4,727.43

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Solution

The fourth proportional to 8,628.39, 12,944.21 and 4,727.43 is: 7,092.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,628.39 : 12,944.21 = 4,727.43 : x
  2. Step 2: Convert to fraction form
    8,628.39/12,944.21 = 4,727.43/x
  3. Step 3: Cross multiply
    8,628.39x = 12,944.21 × 4,727.43
  4. Step 4: Simplify right side
    8,628.39x = 61,192,823.04
  5. Step 5: Solve for x
    x = 61,192,823.04/8,628.39
  6. Step 6: Final answer
    x = 7,092.03

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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.