Home / 5,237.34-7,227.20-2,879.48

Finding the Fourth Proportional to 5,237.34, 7,227.20 and 2,879.48

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Solution

The fourth proportional to 5,237.34, 7,227.20 and 2,879.48 is: 3,973.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237.34 : 7,227.20 = 2,879.48 : x
  2. Step 2: Convert to fraction form
    5,237.34/7,227.20 = 2,879.48/x
  3. Step 3: Cross multiply
    5,237.34x = 7,227.20 × 2,879.48
  4. Step 4: Simplify right side
    5,237.34x = 20,810,527.32
  5. Step 5: Solve for x
    x = 20,810,527.32/5,237.34
  6. Step 6: Final answer
    x = 3,973.49

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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.