Home / 8,322.46-11,486.92-5,490.34

Finding the Fourth Proportional to 8,322.46, 11,486.92 and 5,490.34

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Solution

The fourth proportional to 8,322.46, 11,486.92 and 5,490.34 is: 7,577.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,322.46 : 11,486.92 = 5,490.34 : x
  2. Step 2: Convert to fraction form
    8,322.46/11,486.92 = 5,490.34/x
  3. Step 3: Cross multiply
    8,322.46x = 11,486.92 × 5,490.34
  4. Step 4: Simplify right side
    8,322.46x = 63,067,096.35
  5. Step 5: Solve for x
    x = 63,067,096.35/8,322.46
  6. Step 6: Final answer
    x = 7,577.94

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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.