Home / 7,382.57-11,073.38-2,999.90

Finding the Fourth Proportional to 7,382.57, 11,073.38 and 2,999.90

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Solution

The fourth proportional to 7,382.57, 11,073.38 and 2,999.90 is: 4,499.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.57 : 11,073.38 = 2,999.90 : x
  2. Step 2: Convert to fraction form
    7,382.57/11,073.38 = 2,999.90/x
  3. Step 3: Cross multiply
    7,382.57x = 11,073.38 × 2,999.90
  4. Step 4: Simplify right side
    7,382.57x = 33,219,045.35
  5. Step 5: Solve for x
    x = 33,219,045.35/7,382.57
  6. Step 6: Final answer
    x = 4,499.66

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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.