Home / 7,381.20-11,071.32-2,999.04

Finding the Fourth Proportional to 7,381.20, 11,071.32 and 2,999.04

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Solution

The fourth proportional to 7,381.20, 11,071.32 and 2,999.04 is: 4,498.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.20 : 11,071.32 = 2,999.04 : x
  2. Step 2: Convert to fraction form
    7,381.20/11,071.32 = 2,999.04/x
  3. Step 3: Cross multiply
    7,381.20x = 11,071.32 × 2,999.04
  4. Step 4: Simplify right side
    7,381.20x = 33,203,331.53
  5. Step 5: Solve for x
    x = 33,203,331.53/7,381.20
  6. Step 6: Final answer
    x = 4,498.36

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Half scale
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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.