Home / 8,494.57-12,727.47-5,200.79

Finding the Fourth Proportional to 8,494.57, 12,727.47 and 5,200.79

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Solution

The fourth proportional to 8,494.57, 12,727.47 and 5,200.79 is: 7,792.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,494.57 : 12,727.47 = 5,200.79 : x
  2. Step 2: Convert to fraction form
    8,494.57/12,727.47 = 5,200.79/x
  3. Step 3: Cross multiply
    8,494.57x = 12,727.47 × 5,200.79
  4. Step 4: Simplify right side
    8,494.57x = 66,192,854.57
  5. Step 5: Solve for x
    x = 66,192,854.57/8,494.57
  6. Step 6: Final answer
    x = 7,792.37

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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.