Home / 7,388.19-11,084.10-3,005.28

Finding the Fourth Proportional to 7,388.19, 11,084.10 and 3,005.28

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Solution

The fourth proportional to 7,388.19, 11,084.10 and 3,005.28 is: 4,508.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.19 : 11,084.10 = 3,005.28 : x
  2. Step 2: Convert to fraction form
    7,388.19/11,084.10 = 3,005.28/x
  3. Step 3: Cross multiply
    7,388.19x = 11,084.10 × 3,005.28
  4. Step 4: Simplify right side
    7,388.19x = 33,310,824.05
  5. Step 5: Solve for x
    x = 33,310,824.05/7,388.19
  6. Step 6: Final answer
    x = 4,508.66

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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.