Home / 5,237.21-7,227.41-2,879.34

Finding the Fourth Proportional to 5,237.21, 7,227.41 and 2,879.34

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Solution

The fourth proportional to 5,237.21, 7,227.41 and 2,879.34 is: 3,973.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237.21 : 7,227.41 = 2,879.34 : x
  2. Step 2: Convert to fraction form
    5,237.21/7,227.41 = 2,879.34/x
  3. Step 3: Cross multiply
    5,237.21x = 7,227.41 × 2,879.34
  4. Step 4: Simplify right side
    5,237.21x = 20,810,170.71
  5. Step 5: Solve for x
    x = 20,810,170.71/5,237.21
  6. Step 6: Final answer
    x = 3,973.52

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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.