Home / 8,211.27-11,331.63-4,674.72

Finding the Fourth Proportional to 8,211.27, 11,331.63 and 4,674.72

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Solution

The fourth proportional to 8,211.27, 11,331.63 and 4,674.72 is: 6,451.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,211.27 : 11,331.63 = 4,674.72 : x
  2. Step 2: Convert to fraction form
    8,211.27/11,331.63 = 4,674.72/x
  3. Step 3: Cross multiply
    8,211.27x = 11,331.63 × 4,674.72
  4. Step 4: Simplify right side
    8,211.27x = 52,972,197.39
  5. Step 5: Solve for x
    x = 52,972,197.39/8,211.27
  6. Step 6: Final answer
    x = 6,451.16

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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.