Home / 5,237.19-7,227.11-2,879.30

Finding the Fourth Proportional to 5,237.19, 7,227.11 and 2,879.30

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Solution

The fourth proportional to 5,237.19, 7,227.11 and 2,879.30 is: 3,973.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237.19 : 7,227.11 = 2,879.30 : x
  2. Step 2: Convert to fraction form
    5,237.19/7,227.11 = 2,879.30/x
  3. Step 3: Cross multiply
    5,237.19x = 7,227.11 × 2,879.30
  4. Step 4: Simplify right side
    5,237.19x = 20,809,043.09
  5. Step 5: Solve for x
    x = 20,809,043.09/5,237.19
  6. Step 6: Final answer
    x = 3,973.32

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Half scale
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Double scale
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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.