Home / 8,212.34-11,331.32-4,853.46

Finding the Fourth Proportional to 8,212.34, 11,331.32 and 4,853.46

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Solution

The fourth proportional to 8,212.34, 11,331.32 and 4,853.46 is: 6,696.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,212.34 : 11,331.32 = 4,853.46 : x
  2. Step 2: Convert to fraction form
    8,212.34/11,331.32 = 4,853.46/x
  3. Step 3: Cross multiply
    8,212.34x = 11,331.32 × 4,853.46
  4. Step 4: Simplify right side
    8,212.34x = 54,996,108.37
  5. Step 5: Solve for x
    x = 54,996,108.37/8,212.34
  6. Step 6: Final answer
    x = 6,696.76

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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.